./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/recursive-simple/fibo_25-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 9030972e60093099261ffd255cd123d40a9b99982e16d5d1c2c77af1369268fd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:18:36,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:18:36,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:18:36,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:18:36,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:18:36,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:18:36,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:18:36,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:18:36,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:18:36,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:18:36,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:18:36,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:18:36,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:18:36,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:18:36,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:18:36,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:18:36,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:18:36,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:18:36,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:18:36,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:18:36,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:18:36,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:18:36,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:18:36,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:18:36,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:18:36,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:18:36,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:18:36,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:18:36,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:18:36,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:18:36,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:18:36,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:18:36,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:18:36,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:18:36,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:18:36,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:18:36,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:18:36,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:18:36,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:18:36,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:18:36,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:18:36,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:18:36,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:18:36,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:18:36,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:18:36,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:18:36,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:18:36,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:18:36,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:18:36,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:18:36,162 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:18:36,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:18:36,163 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:18:36,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:18:36,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:18:36,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:18:36,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:18:36,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:18:36,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:18:36,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:18:36,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:18:36,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:18:36,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:18:36,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:18:36,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:18:36,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:18:36,167 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:18:36,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:18:36,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:18:36,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:18:36,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9030972e60093099261ffd255cd123d40a9b99982e16d5d1c2c77af1369268fd [2021-12-21 13:18:36,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:18:36,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:18:36,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:18:36,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:18:36,333 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:18:36,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2021-12-21 13:18:36,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae982dfb/b3e7643063e6406aaf149548131a3f86/FLAGc27735432 [2021-12-21 13:18:36,750 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:18:36,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2021-12-21 13:18:36,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae982dfb/b3e7643063e6406aaf149548131a3f86/FLAGc27735432 [2021-12-21 13:18:36,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae982dfb/b3e7643063e6406aaf149548131a3f86 [2021-12-21 13:18:36,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:18:36,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:18:36,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:18:36,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:18:36,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:18:36,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166c73b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36, skipping insertion in model container [2021-12-21 13:18:36,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:18:36,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:18:36,921 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/recursive-simple/fibo_25-2.c[746,759] [2021-12-21 13:18:36,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:18:36,932 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:18:36,946 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/recursive-simple/fibo_25-2.c[746,759] [2021-12-21 13:18:36,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:18:36,956 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:18:36,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36 WrapperNode [2021-12-21 13:18:36,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:18:36,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:18:36,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:18:36,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:18:36,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,980 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-21 13:18:36,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:18:36,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:18:36,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:18:36,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:18:36,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:36,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:18:36,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:18:36,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:18:36,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:18:36,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (1/1) ... [2021-12-21 13:18:37,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:18:37,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:37,020 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) [2021-12-21 13:18:37,028 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 [2021-12-21 13:18:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:18:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:18:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:18:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:18:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-12-21 13:18:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-12-21 13:18:37,086 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:18:37,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:18:37,143 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:18:37,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:18:37,147 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 13:18:37,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:18:37 BoogieIcfgContainer [2021-12-21 13:18:37,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:18:37,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:18:37,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:18:37,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:18:37,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:18:36" (1/3) ... [2021-12-21 13:18:37,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544a60bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:18:37, skipping insertion in model container [2021-12-21 13:18:37,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:18:36" (2/3) ... [2021-12-21 13:18:37,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544a60bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:18:37, skipping insertion in model container [2021-12-21 13:18:37,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:18:37" (3/3) ... [2021-12-21 13:18:37,154 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_25-2.c [2021-12-21 13:18:37,157 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:18:37,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:18:37,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:18:37,189 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 [2021-12-21 13:18:37,190 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:18:37,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 13:18:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 13:18:37,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:37,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:37,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:37,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:37,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1755511548, now seen corresponding path program 1 times [2021-12-21 13:18:37,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:37,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037836966] [2021-12-21 13:18:37,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:37,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:18:37,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:37,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037836966] [2021-12-21 13:18:37,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037836966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:18:37,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:18:37,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:18:37,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34155788] [2021-12-21 13:18:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:18:37,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:18:37,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:37,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:18:37,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:18:37,389 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:18:37,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:37,460 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-12-21 13:18:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:18:37,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-12-21 13:18:37,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:37,467 INFO L225 Difference]: With dead ends: 30 [2021-12-21 13:18:37,467 INFO L226 Difference]: Without dead ends: 18 [2021-12-21 13:18:37,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:18:37,472 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:37,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:18:37,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-12-21 13:18:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-21 13:18:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-21 13:18:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-12-21 13:18:37,510 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2021-12-21 13:18:37,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:37,510 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-12-21 13:18:37,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:18:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-12-21 13:18:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-21 13:18:37,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:37,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:37,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:18:37,513 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:37,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2128459596, now seen corresponding path program 1 times [2021-12-21 13:18:37,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:37,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517844284] [2021-12-21 13:18:37,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:37,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:18:37,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:37,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517844284] [2021-12-21 13:18:37,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517844284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:18:37,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:18:37,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:18:37,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863461662] [2021-12-21 13:18:37,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:18:37,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:18:37,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:18:37,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:18:37,602 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:18:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:37,663 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-12-21 13:18:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:18:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-12-21 13:18:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:37,665 INFO L225 Difference]: With dead ends: 24 [2021-12-21 13:18:37,665 INFO L226 Difference]: Without dead ends: 20 [2021-12-21 13:18:37,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:18:37,666 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:37,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 31 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:18:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-12-21 13:18:37,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-12-21 13:18:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-21 13:18:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-12-21 13:18:37,670 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2021-12-21 13:18:37,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:37,671 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-12-21 13:18:37,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:18:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-12-21 13:18:37,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 13:18:37,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:37,672 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:37,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:18:37,672 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:37,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:37,673 INFO L85 PathProgramCache]: Analyzing trace with hash -42544313, now seen corresponding path program 1 times [2021-12-21 13:18:37,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:37,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61861489] [2021-12-21 13:18:37,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:37,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 13:18:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-21 13:18:37,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:37,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61861489] [2021-12-21 13:18:37,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61861489] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:37,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267052363] [2021-12-21 13:18:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:37,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:37,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:37,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:18:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:37,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 13:18:37,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:37,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-21 13:18:37,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:18:38,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267052363] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:38,155 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:38,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2021-12-21 13:18:38,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484363266] [2021-12-21 13:18:38,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:38,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 13:18:38,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:38,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 13:18:38,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:18:38,157 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-21 13:18:38,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:38,222 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2021-12-21 13:18:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:18:38,222 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2021-12-21 13:18:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:38,223 INFO L225 Difference]: With dead ends: 35 [2021-12-21 13:18:38,223 INFO L226 Difference]: Without dead ends: 20 [2021-12-21 13:18:38,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-12-21 13:18:38,224 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:38,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 62 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:18:38,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-12-21 13:18:38,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-21 13:18:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-21 13:18:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2021-12-21 13:18:38,229 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2021-12-21 13:18:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:38,229 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-12-21 13:18:38,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-21 13:18:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-12-21 13:18:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 13:18:38,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:38,231 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:38,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:18:38,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:38,452 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:38,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:38,452 INFO L85 PathProgramCache]: Analyzing trace with hash 170813287, now seen corresponding path program 1 times [2021-12-21 13:18:38,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:38,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117011909] [2021-12-21 13:18:38,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:38,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 13:18:38,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:38,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117011909] [2021-12-21 13:18:38,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117011909] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:38,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453508016] [2021-12-21 13:18:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:38,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:38,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:38,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:38,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 13:18:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:38,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 13:18:38,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 13:18:38,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:18:38,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453508016] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:38,743 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:38,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2021-12-21 13:18:38,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254754773] [2021-12-21 13:18:38,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:38,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 13:18:38,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:38,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 13:18:38,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:18:38,748 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 13:18:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:38,807 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-12-21 13:18:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:18:38,807 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2021-12-21 13:18:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:38,809 INFO L225 Difference]: With dead ends: 38 [2021-12-21 13:18:38,809 INFO L226 Difference]: Without dead ends: 34 [2021-12-21 13:18:38,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:18:38,810 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 35 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:38,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 45 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:18:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-12-21 13:18:38,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-12-21 13:18:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2021-12-21 13:18:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-12-21 13:18:38,816 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2021-12-21 13:18:38,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:38,816 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-12-21 13:18:38,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 13:18:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-12-21 13:18:38,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-21 13:18:38,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:38,818 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:38,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-21 13:18:39,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-21 13:18:39,032 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:39,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash -187634876, now seen corresponding path program 2 times [2021-12-21 13:18:39,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:39,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537714304] [2021-12-21 13:18:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:39,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-21 13:18:39,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:39,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537714304] [2021-12-21 13:18:39,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537714304] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:39,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19962544] [2021-12-21 13:18:39,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 13:18:39,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:39,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:39,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:39,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 13:18:39,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 13:18:39,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:18:39,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:18:39,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-21 13:18:39,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-21 13:18:39,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19962544] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:39,529 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:39,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2021-12-21 13:18:39,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186236648] [2021-12-21 13:18:39,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:39,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-21 13:18:39,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:39,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-21 13:18:39,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:18:39,531 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2021-12-21 13:18:39,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:39,686 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2021-12-21 13:18:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 13:18:39,686 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2021-12-21 13:18:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:39,687 INFO L225 Difference]: With dead ends: 69 [2021-12-21 13:18:39,687 INFO L226 Difference]: Without dead ends: 38 [2021-12-21 13:18:39,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2021-12-21 13:18:39,689 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 44 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:39,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 97 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:18:39,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-12-21 13:18:39,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-12-21 13:18:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2021-12-21 13:18:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2021-12-21 13:18:39,694 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2021-12-21 13:18:39,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:39,694 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2021-12-21 13:18:39,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2021-12-21 13:18:39,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2021-12-21 13:18:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-21 13:18:39,696 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:39,696 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:39,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 13:18:39,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:39,904 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:39,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2015531204, now seen corresponding path program 3 times [2021-12-21 13:18:39,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:39,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586345381] [2021-12-21 13:18:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:39,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-21 13:18:40,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:40,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586345381] [2021-12-21 13:18:40,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586345381] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:40,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437879651] [2021-12-21 13:18:40,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-21 13:18:40,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:40,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:40,079 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:40,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 13:18:40,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-12-21 13:18:40,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:18:40,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:18:40,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-21 13:18:40,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 29 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-21 13:18:40,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437879651] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:40,504 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:40,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2021-12-21 13:18:40,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513560967] [2021-12-21 13:18:40,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:40,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-21 13:18:40,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:40,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-21 13:18:40,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:18:40,506 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2021-12-21 13:18:40,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:40,607 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2021-12-21 13:18:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-21 13:18:40,608 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) Word has length 65 [2021-12-21 13:18:40,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:40,610 INFO L225 Difference]: With dead ends: 85 [2021-12-21 13:18:40,610 INFO L226 Difference]: Without dead ends: 50 [2021-12-21 13:18:40,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2021-12-21 13:18:40,611 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 72 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:40,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 59 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:18:40,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-12-21 13:18:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2021-12-21 13:18:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16) [2021-12-21 13:18:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2021-12-21 13:18:40,620 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 65 [2021-12-21 13:18:40,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:40,620 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-12-21 13:18:40,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2021-12-21 13:18:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2021-12-21 13:18:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-21 13:18:40,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:40,622 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:40,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 13:18:40,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:40,831 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:40,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:40,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1033750100, now seen corresponding path program 4 times [2021-12-21 13:18:40,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:40,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298374561] [2021-12-21 13:18:40,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:40,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:40,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2021-12-21 13:18:41,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:41,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298374561] [2021-12-21 13:18:41,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298374561] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:41,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417269347] [2021-12-21 13:18:41,154 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-21 13:18:41,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:41,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:41,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:41,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 13:18:41,219 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-21 13:18:41,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:18:41,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-21 13:18:41,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 418 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-12-21 13:18:41,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 445 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-12-21 13:18:42,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417269347] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:42,445 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:42,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 19] total 28 [2021-12-21 13:18:42,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664574175] [2021-12-21 13:18:42,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:42,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-21 13:18:42,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:42,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-21 13:18:42,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2021-12-21 13:18:42,446 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 28 states, 27 states have (on average 3.0) internal successors, (81), 28 states have internal predecessors, (81), 23 states have call successors, (26), 1 states have call predecessors, (26), 11 states have return successors, (34), 15 states have call predecessors, (34), 23 states have call successors, (34) [2021-12-21 13:18:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:42,721 INFO L93 Difference]: Finished difference Result 112 states and 192 transitions. [2021-12-21 13:18:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-21 13:18:42,722 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.0) internal successors, (81), 28 states have internal predecessors, (81), 23 states have call successors, (26), 1 states have call predecessors, (26), 11 states have return successors, (34), 15 states have call predecessors, (34), 23 states have call successors, (34) Word has length 147 [2021-12-21 13:18:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:42,724 INFO L225 Difference]: With dead ends: 112 [2021-12-21 13:18:42,724 INFO L226 Difference]: Without dead ends: 71 [2021-12-21 13:18:42,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=502, Invalid=1390, Unknown=0, NotChecked=0, Total=1892 [2021-12-21 13:18:42,725 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 100 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:42,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 144 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:18:42,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-21 13:18:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2021-12-21 13:18:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 46 states have internal predecessors, (50), 11 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (25), 11 states have call predecessors, (25), 11 states have call successors, (25) [2021-12-21 13:18:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2021-12-21 13:18:42,734 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 147 [2021-12-21 13:18:42,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:42,735 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2021-12-21 13:18:42,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.0) internal successors, (81), 28 states have internal predecessors, (81), 23 states have call successors, (26), 1 states have call predecessors, (26), 11 states have return successors, (34), 15 states have call predecessors, (34), 23 states have call successors, (34) [2021-12-21 13:18:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-12-21 13:18:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-21 13:18:42,740 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:42,740 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:42,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 13:18:42,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:42,957 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:42,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1022210831, now seen corresponding path program 5 times [2021-12-21 13:18:42,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:42,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956975922] [2021-12-21 13:18:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:42,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 403 proven. 706 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2021-12-21 13:18:43,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:43,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956975922] [2021-12-21 13:18:43,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956975922] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:43,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399843076] [2021-12-21 13:18:43,347 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-21 13:18:43,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:43,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:43,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:43,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 13:18:43,449 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-12-21 13:18:43,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:18:43,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-21 13:18:43,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 571 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2021-12-21 13:18:43,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 632 proven. 605 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-12-21 13:18:45,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399843076] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:45,153 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:45,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 21] total 34 [2021-12-21 13:18:45,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730558049] [2021-12-21 13:18:45,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:45,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-21 13:18:45,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:45,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-21 13:18:45,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=868, Unknown=0, NotChecked=0, Total=1122 [2021-12-21 13:18:45,156 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 34 states, 33 states have (on average 2.757575757575758) internal successors, (91), 34 states have internal predecessors, (91), 24 states have call successors, (31), 1 states have call predecessors, (31), 13 states have return successors, (42), 21 states have call predecessors, (42), 24 states have call successors, (42) [2021-12-21 13:18:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:45,567 INFO L93 Difference]: Finished difference Result 147 states and 233 transitions. [2021-12-21 13:18:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-21 13:18:45,567 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.757575757575758) internal successors, (91), 34 states have internal predecessors, (91), 24 states have call successors, (31), 1 states have call predecessors, (31), 13 states have return successors, (42), 21 states have call predecessors, (42), 24 states have call successors, (42) Word has length 215 [2021-12-21 13:18:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:45,569 INFO L225 Difference]: With dead ends: 147 [2021-12-21 13:18:45,569 INFO L226 Difference]: Without dead ends: 91 [2021-12-21 13:18:45,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 473 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=650, Invalid=2002, Unknown=0, NotChecked=0, Total=2652 [2021-12-21 13:18:45,571 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 194 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:45,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 166 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:18:45,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-21 13:18:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2021-12-21 13:18:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 58 states have internal predecessors, (62), 15 states have call successors, (15), 12 states have call predecessors, (15), 8 states have return successors, (36), 13 states have call predecessors, (36), 15 states have call successors, (36) [2021-12-21 13:18:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2021-12-21 13:18:45,588 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 215 [2021-12-21 13:18:45,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:45,589 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2021-12-21 13:18:45,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.757575757575758) internal successors, (91), 34 states have internal predecessors, (91), 24 states have call successors, (31), 1 states have call predecessors, (31), 13 states have return successors, (42), 21 states have call predecessors, (42), 24 states have call successors, (42) [2021-12-21 13:18:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2021-12-21 13:18:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-21 13:18:45,593 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:45,593 INFO L514 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:45,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-21 13:18:45,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:45,803 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:45,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1334891743, now seen corresponding path program 6 times [2021-12-21 13:18:45,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:45,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293182954] [2021-12-21 13:18:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:45,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:18:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1307 proven. 1260 refuted. 0 times theorem prover too weak. 3472 trivial. 0 not checked. [2021-12-21 13:18:46,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:46,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293182954] [2021-12-21 13:18:46,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293182954] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:46,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658828655] [2021-12-21 13:18:46,295 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-21 13:18:46,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:46,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:46,296 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:46,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-21 13:18:46,402 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-12-21 13:18:46,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:18:46,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-21 13:18:46,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 346 proven. 1004 refuted. 0 times theorem prover too weak. 4689 trivial. 0 not checked. [2021-12-21 13:18:46,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 350 proven. 1040 refuted. 0 times theorem prover too weak. 4649 trivial. 0 not checked. [2021-12-21 13:18:48,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658828655] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:48,051 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:48,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 10, 15] total 32 [2021-12-21 13:18:48,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036668332] [2021-12-21 13:18:48,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:48,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-21 13:18:48,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:48,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-21 13:18:48,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2021-12-21 13:18:48,054 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 32 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 32 states have internal predecessors, (79), 23 states have call successors, (28), 1 states have call predecessors, (28), 12 states have return successors, (41), 23 states have call predecessors, (41), 23 states have call successors, (41) [2021-12-21 13:18:48,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:48,530 INFO L93 Difference]: Finished difference Result 193 states and 312 transitions. [2021-12-21 13:18:48,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-21 13:18:48,531 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 32 states have internal predecessors, (79), 23 states have call successors, (28), 1 states have call predecessors, (28), 12 states have return successors, (41), 23 states have call predecessors, (41), 23 states have call successors, (41) Word has length 324 [2021-12-21 13:18:48,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:48,533 INFO L225 Difference]: With dead ends: 193 [2021-12-21 13:18:48,533 INFO L226 Difference]: Without dead ends: 120 [2021-12-21 13:18:48,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=624, Invalid=1926, Unknown=0, NotChecked=0, Total=2550 [2021-12-21 13:18:48,534 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 219 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:48,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 184 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:18:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-12-21 13:18:48,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 105. [2021-12-21 13:18:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 75 states have (on average 1.04) internal successors, (78), 73 states have internal predecessors, (78), 20 states have call successors, (20), 16 states have call predecessors, (20), 9 states have return successors, (46), 15 states have call predecessors, (46), 20 states have call successors, (46) [2021-12-21 13:18:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2021-12-21 13:18:48,544 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 324 [2021-12-21 13:18:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:48,544 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2021-12-21 13:18:48,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 32 states have internal predecessors, (79), 23 states have call successors, (28), 1 states have call predecessors, (28), 12 states have return successors, (41), 23 states have call predecessors, (41), 23 states have call successors, (41) [2021-12-21 13:18:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2021-12-21 13:18:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2021-12-21 13:18:48,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:48,552 INFO L514 BasicCegarLoop]: trace histogram [93, 93, 75, 46, 46, 46, 46, 46, 46, 46, 29, 18, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:48,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-21 13:18:48,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:48,790 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:48,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:48,790 INFO L85 PathProgramCache]: Analyzing trace with hash 642449662, now seen corresponding path program 7 times [2021-12-21 13:18:48,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:48,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719719148] [2021-12-21 13:18:48,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:48,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:18:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:18:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:18:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 13:18:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 2111 proven. 4081 refuted. 0 times theorem prover too weak. 17835 trivial. 0 not checked. [2021-12-21 13:18:49,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:49,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719719148] [2021-12-21 13:18:49,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719719148] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:49,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048954135] [2021-12-21 13:18:49,975 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-21 13:18:49,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:49,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:49,976 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:50,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-21 13:18:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-21 13:18:50,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3361 refuted. 0 times theorem prover too weak. 20240 trivial. 0 not checked. [2021-12-21 13:18:50,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:18:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3438 refuted. 0 times theorem prover too weak. 20163 trivial. 0 not checked. [2021-12-21 13:18:53,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048954135] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:18:53,726 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:18:53,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12, 19] total 40 [2021-12-21 13:18:53,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802787024] [2021-12-21 13:18:53,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:18:53,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-21 13:18:53,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:18:53,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-21 13:18:53,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1200, Unknown=0, NotChecked=0, Total=1560 [2021-12-21 13:18:53,729 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand has 40 states, 38 states have (on average 2.5526315789473686) internal successors, (97), 40 states have internal predecessors, (97), 31 states have call successors, (34), 1 states have call predecessors, (34), 16 states have return successors, (52), 28 states have call predecessors, (52), 31 states have call successors, (52) [2021-12-21 13:18:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:18:54,289 INFO L93 Difference]: Finished difference Result 236 states and 390 transitions. [2021-12-21 13:18:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-12-21 13:18:54,298 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 2.5526315789473686) internal successors, (97), 40 states have internal predecessors, (97), 31 states have call successors, (34), 1 states have call predecessors, (34), 16 states have return successors, (52), 28 states have call predecessors, (52), 31 states have call successors, (52) Word has length 637 [2021-12-21 13:18:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:18:54,299 INFO L225 Difference]: With dead ends: 236 [2021-12-21 13:18:54,299 INFO L226 Difference]: Without dead ends: 146 [2021-12-21 13:18:54,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1512 GetRequests, 1449 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1222 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=970, Invalid=3190, Unknown=0, NotChecked=0, Total=4160 [2021-12-21 13:18:54,302 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 246 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:18:54,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 215 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:18:54,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-12-21 13:18:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2021-12-21 13:18:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.0344827586206897) internal successors, (90), 85 states have internal predecessors, (90), 24 states have call successors, (24), 19 states have call predecessors, (24), 10 states have return successors, (58), 17 states have call predecessors, (58), 24 states have call successors, (58) [2021-12-21 13:18:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 172 transitions. [2021-12-21 13:18:54,319 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 172 transitions. Word has length 637 [2021-12-21 13:18:54,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:18:54,319 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 172 transitions. [2021-12-21 13:18:54,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 2.5526315789473686) internal successors, (97), 40 states have internal predecessors, (97), 31 states have call successors, (34), 1 states have call predecessors, (34), 16 states have return successors, (52), 28 states have call predecessors, (52), 31 states have call successors, (52) [2021-12-21 13:18:54,320 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 172 transitions. [2021-12-21 13:18:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2021-12-21 13:18:54,323 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:18:54,323 INFO L514 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:18:54,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-21 13:18:54,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 13:18:54,532 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:18:54,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:18:54,532 INFO L85 PathProgramCache]: Analyzing trace with hash -861966516, now seen corresponding path program 8 times [2021-12-21 13:18:54,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:18:54,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873688792] [2021-12-21 13:18:54,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:18:54,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:18:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:18:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:18:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:18:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-21 13:18:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:18:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:18:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:18:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:18:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:18:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:18:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:18:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:18:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 659 proven. 4380 refuted. 0 times theorem prover too weak. 28057 trivial. 0 not checked. [2021-12-21 13:18:55,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:18:55,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873688792] [2021-12-21 13:18:55,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873688792] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:18:55,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120026743] [2021-12-21 13:18:55,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 13:18:55,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:18:55,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:18:55,631 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:18:55,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-21 13:18:55,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 13:18:55,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:18:55,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-21 13:18:55,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:18:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 659 proven. 4380 refuted. 0 times theorem prover too weak. 28057 trivial. 0 not checked. [2021-12-21 13:18:56,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:19:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 659 proven. 4480 refuted. 0 times theorem prover too weak. 27957 trivial. 0 not checked. [2021-12-21 13:19:00,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120026743] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:19:00,055 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:19:00,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 21] total 32 [2021-12-21 13:19:00,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887630117] [2021-12-21 13:19:00,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:19:00,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-21 13:19:00,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:19:00,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-21 13:19:00,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=678, Unknown=0, NotChecked=0, Total=992 [2021-12-21 13:19:00,058 INFO L87 Difference]: Start difference. First operand 122 states and 172 transitions. Second operand has 32 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 32 states have internal predecessors, (82), 29 states have call successors, (30), 1 states have call predecessors, (30), 10 states have return successors, (44), 18 states have call predecessors, (44), 29 states have call successors, (44) [2021-12-21 13:19:00,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:19:00,283 INFO L93 Difference]: Finished difference Result 486 states and 745 transitions. [2021-12-21 13:19:00,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-21 13:19:00,284 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 32 states have internal predecessors, (82), 29 states have call successors, (30), 1 states have call predecessors, (30), 10 states have return successors, (44), 18 states have call predecessors, (44), 29 states have call successors, (44) Word has length 746 [2021-12-21 13:19:00,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:19:00,292 INFO L225 Difference]: With dead ends: 486 [2021-12-21 13:19:00,292 INFO L226 Difference]: Without dead ends: 482 [2021-12-21 13:19:00,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1729 GetRequests, 1698 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=344, Invalid=712, Unknown=0, NotChecked=0, Total=1056 [2021-12-21 13:19:00,294 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 132 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:19:00,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 126 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:19:00,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-12-21 13:19:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 461. [2021-12-21 13:19:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 319 states have (on average 1.031347962382445) internal successors, (329), 313 states have internal predecessors, (329), 102 states have call successors, (102), 65 states have call predecessors, (102), 39 states have return successors, (268), 82 states have call predecessors, (268), 102 states have call successors, (268) [2021-12-21 13:19:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 699 transitions. [2021-12-21 13:19:00,331 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 699 transitions. Word has length 746 [2021-12-21 13:19:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:19:00,333 INFO L470 AbstractCegarLoop]: Abstraction has 461 states and 699 transitions. [2021-12-21 13:19:00,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 32 states have internal predecessors, (82), 29 states have call successors, (30), 1 states have call predecessors, (30), 10 states have return successors, (44), 18 states have call predecessors, (44), 29 states have call successors, (44) [2021-12-21 13:19:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 699 transitions. [2021-12-21 13:19:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2021-12-21 13:19:00,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:19:00,341 INFO L514 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:19:00,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-21 13:19:00,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:19:00,559 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:19:00,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:19:00,560 INFO L85 PathProgramCache]: Analyzing trace with hash 15284780, now seen corresponding path program 9 times [2021-12-21 13:19:00,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:19:00,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351737464] [2021-12-21 13:19:00,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:19:00,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:19:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:19:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:19:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-21 13:19:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-21 13:19:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:19:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 1164 proven. 8218 refuted. 0 times theorem prover too weak. 78387 trivial. 0 not checked. [2021-12-21 13:19:02,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:19:02,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351737464] [2021-12-21 13:19:02,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351737464] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:19:02,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277919725] [2021-12-21 13:19:02,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-21 13:19:02,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:19:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:19:02,756 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:19:02,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-21 13:19:03,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2021-12-21 13:19:03,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:19:03,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-21 13:19:03,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:19:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 1164 proven. 8218 refuted. 0 times theorem prover too weak. 78387 trivial. 0 not checked. [2021-12-21 13:19:04,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:19:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 1164 proven. 8344 refuted. 0 times theorem prover too weak. 78261 trivial. 0 not checked. [2021-12-21 13:19:09,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277919725] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:19:09,176 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:19:09,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 23] total 35 [2021-12-21 13:19:09,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639927410] [2021-12-21 13:19:09,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:19:09,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-12-21 13:19:09,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:19:09,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-12-21 13:19:09,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=812, Unknown=0, NotChecked=0, Total=1190 [2021-12-21 13:19:09,178 INFO L87 Difference]: Start difference. First operand 461 states and 699 transitions. Second operand has 35 states, 33 states have (on average 2.696969696969697) internal successors, (89), 35 states have internal predecessors, (89), 32 states have call successors, (33), 1 states have call predecessors, (33), 11 states have return successors, (49), 20 states have call predecessors, (49), 32 states have call successors, (49) [2021-12-21 13:19:09,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:19:09,476 INFO L93 Difference]: Finished difference Result 1488 states and 2399 transitions. [2021-12-21 13:19:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-21 13:19:09,477 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 33 states have (on average 2.696969696969697) internal successors, (89), 35 states have internal predecessors, (89), 32 states have call successors, (33), 1 states have call predecessors, (33), 11 states have return successors, (49), 20 states have call predecessors, (49), 32 states have call successors, (49) Word has length 1209 [2021-12-21 13:19:09,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:19:09,492 INFO L225 Difference]: With dead ends: 1488 [2021-12-21 13:19:09,492 INFO L226 Difference]: Without dead ends: 1484 [2021-12-21 13:19:09,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2793 GetRequests, 2759 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=411, Invalid=849, Unknown=0, NotChecked=0, Total=1260 [2021-12-21 13:19:09,494 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 144 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:19:09,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 141 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:19:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2021-12-21 13:19:09,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1460. [2021-12-21 13:19:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 990 states have (on average 1.0252525252525253) internal successors, (1015), 976 states have internal predecessors, (1015), 337 states have call successors, (337), 186 states have call predecessors, (337), 132 states have return successors, (995), 297 states have call predecessors, (995), 337 states have call successors, (995) [2021-12-21 13:19:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2347 transitions. [2021-12-21 13:19:09,605 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2347 transitions. Word has length 1209 [2021-12-21 13:19:09,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:19:09,605 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2347 transitions. [2021-12-21 13:19:09,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 33 states have (on average 2.696969696969697) internal successors, (89), 35 states have internal predecessors, (89), 32 states have call successors, (33), 1 states have call predecessors, (33), 11 states have return successors, (49), 20 states have call predecessors, (49), 32 states have call successors, (49) [2021-12-21 13:19:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2347 transitions. [2021-12-21 13:19:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2136 [2021-12-21 13:19:09,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:19:09,627 INFO L514 BasicCegarLoop]: trace histogram [313, 313, 253, 156, 156, 156, 156, 156, 156, 156, 97, 60, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:19:09,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-21 13:19:09,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-21 13:19:09,828 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:19:09,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:19:09,828 INFO L85 PathProgramCache]: Analyzing trace with hash 314294420, now seen corresponding path program 10 times [2021-12-21 13:19:09,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:19:09,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087198934] [2021-12-21 13:19:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:19:09,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:19:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:19:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:19:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-21 13:19:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-21 13:19:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:19:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2021-12-21 13:19:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 13:19:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-21 13:19:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-12-21 13:19:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:19:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:19:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:19:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:19:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:19:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:19:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:19:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:19:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 275550 backedges. 17973 proven. 21171 refuted. 0 times theorem prover too weak. 236406 trivial. 0 not checked. [2021-12-21 13:19:15,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:19:15,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087198934] [2021-12-21 13:19:15,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087198934] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:19:15,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779413035] [2021-12-21 13:19:15,139 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-21 13:19:15,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:19:15,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:19:15,140 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:19:15,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-21 13:19:15,681 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-21 13:19:15,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 13:19:15,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 3797 conjuncts, 42 conjunts are in the unsatisfiable core [2021-12-21 13:19:15,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:19:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 275550 backedges. 12544 proven. 21756 refuted. 0 times theorem prover too weak. 241250 trivial. 0 not checked. [2021-12-21 13:19:17,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:19:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 275550 backedges. 12544 proven. 21999 refuted. 0 times theorem prover too weak. 241007 trivial. 0 not checked. [2021-12-21 13:19:28,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779413035] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:19:28,860 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:19:28,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 25, 43] total 63 [2021-12-21 13:19:28,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782707478] [2021-12-21 13:19:28,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:19:28,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-12-21 13:19:28,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:19:28,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-12-21 13:19:28,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=852, Invalid=3054, Unknown=0, NotChecked=0, Total=3906 [2021-12-21 13:19:28,864 INFO L87 Difference]: Start difference. First operand 1460 states and 2347 transitions. Second operand has 63 states, 62 states have (on average 2.6451612903225805) internal successors, (164), 63 states have internal predecessors, (164), 58 states have call successors, (62), 1 states have call predecessors, (62), 22 states have return successors, (95), 37 states have call predecessors, (95), 58 states have call successors, (95) [2021-12-21 13:19:30,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:19:30,099 INFO L93 Difference]: Finished difference Result 1691 states and 2953 transitions. [2021-12-21 13:19:30,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-12-21 13:19:30,100 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 2.6451612903225805) internal successors, (164), 63 states have internal predecessors, (164), 58 states have call successors, (62), 1 states have call predecessors, (62), 22 states have return successors, (95), 37 states have call predecessors, (95), 58 states have call successors, (95) Word has length 2135 [2021-12-21 13:19:30,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:19:30,104 INFO L225 Difference]: With dead ends: 1691 [2021-12-21 13:19:30,105 INFO L226 Difference]: Without dead ends: 246 [2021-12-21 13:19:30,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4984 GetRequests, 4881 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3352 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=2384, Invalid=8122, Unknown=0, NotChecked=0, Total=10506 [2021-12-21 13:19:30,114 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 470 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 13:19:30,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [471 Valid, 423 Invalid, 2417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 13:19:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-12-21 13:19:30,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 173. [2021-12-21 13:19:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 123 states have (on average 1.016260162601626) internal successors, (125), 121 states have internal predecessors, (125), 36 states have call successors, (36), 28 states have call predecessors, (36), 13 states have return successors, (110), 23 states have call predecessors, (110), 36 states have call successors, (110) [2021-12-21 13:19:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 271 transitions. [2021-12-21 13:19:30,124 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 271 transitions. Word has length 2135 [2021-12-21 13:19:30,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:19:30,124 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 271 transitions. [2021-12-21 13:19:30,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 2.6451612903225805) internal successors, (164), 63 states have internal predecessors, (164), 58 states have call successors, (62), 1 states have call predecessors, (62), 22 states have return successors, (95), 37 states have call predecessors, (95), 58 states have call successors, (95) [2021-12-21 13:19:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2021-12-21 13:19:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3634 [2021-12-21 13:19:30,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:19:30,181 INFO L514 BasicCegarLoop]: trace histogram [533, 533, 431, 266, 266, 266, 266, 266, 266, 266, 165, 102, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:19:30,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-21 13:19:30,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-21 13:19:30,397 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:19:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:19:30,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1228559940, now seen corresponding path program 11 times [2021-12-21 13:19:30,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:19:30,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795944738] [2021-12-21 13:19:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:19:30,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:19:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat