/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 14:55:53,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 14:55:53,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 14:55:53,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 14:55:53,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 14:55:53,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 14:55:53,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 14:55:53,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 14:55:53,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 14:55:53,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 14:55:53,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 14:55:53,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 14:55:53,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 14:55:53,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 14:55:53,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 14:55:53,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 14:55:53,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 14:55:53,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 14:55:53,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 14:55:53,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 14:55:53,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 14:55:53,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 14:55:53,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 14:55:53,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 14:55:53,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 14:55:53,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 14:55:53,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 14:55:53,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 14:55:53,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 14:55:53,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 14:55:53,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 14:55:53,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 14:55:53,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 14:55:53,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 14:55:53,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 14:55:53,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 14:55:53,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 14:55:53,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 14:55:53,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 14:55:53,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 14:55:53,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 14:55:53,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 14:55:53,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 14:55:53,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 14:55:53,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 14:55:53,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 14:55:53,390 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 14:55:53,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 14:55:53,391 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 14:55:53,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 14:55:53,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 14:55:53,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 14:55:53,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 14:55:53,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 14:55:53,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 14:55:53,392 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 14:55:53,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 14:55:53,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 14:55:53,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 14:55:53,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 14:55:53,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 14:55:53,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 14:55:53,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 14:55:53,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:55:53,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 14:55:53,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 14:55:53,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 14:55:53,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 14:55:53,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 14:55:53,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 14:55:53,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 14:55:53,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 14:55:53,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 14:55:53,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 14:55:53,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 14:55:53,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 14:55:53,899 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 14:55:53,901 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-09-24 14:55:53,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f698d16e6/55a6b160686a45cfadbe1795211168be/FLAG335e36c36 [2020-09-24 14:55:54,589 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 14:55:54,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-09-24 14:55:54,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f698d16e6/55a6b160686a45cfadbe1795211168be/FLAG335e36c36 [2020-09-24 14:55:54,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f698d16e6/55a6b160686a45cfadbe1795211168be [2020-09-24 14:55:54,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 14:55:54,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 14:55:54,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 14:55:54,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 14:55:54,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 14:55:54,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:55:54" (1/1) ... [2020-09-24 14:55:54,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33024a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:54, skipping insertion in model container [2020-09-24 14:55:54,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:55:54" (1/1) ... [2020-09-24 14:55:54,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 14:55:55,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 14:55:55,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:55:55,240 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 14:55:55,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:55:55,277 INFO L208 MainTranslator]: Completed translation [2020-09-24 14:55:55,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55 WrapperNode [2020-09-24 14:55:55,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 14:55:55,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 14:55:55,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 14:55:55,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 14:55:55,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... [2020-09-24 14:55:55,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 14:55:55,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 14:55:55,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 14:55:55,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 14:55:55,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:55:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 14:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 14:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-24 14:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-24 14:55:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 14:55:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 14:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 14:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-24 14:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-24 14:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 14:55:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 14:55:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 14:55:55,743 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 14:55:55,744 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 14:55:55,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:55:55 BoogieIcfgContainer [2020-09-24 14:55:55,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 14:55:55,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 14:55:55,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 14:55:55,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 14:55:55,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:55:54" (1/3) ... [2020-09-24 14:55:55,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa27d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:55:55, skipping insertion in model container [2020-09-24 14:55:55,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:55" (2/3) ... [2020-09-24 14:55:55,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa27d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:55:55, skipping insertion in model container [2020-09-24 14:55:55,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:55:55" (3/3) ... [2020-09-24 14:55:55,761 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-09-24 14:55:55,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 14:55:55,785 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 14:55:55,814 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 14:55:55,855 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 14:55:55,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 14:55:55,856 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 14:55:55,856 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 14:55:55,856 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 14:55:55,856 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 14:55:55,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 14:55:55,857 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 14:55:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-24 14:55:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 14:55:55,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:55,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:55,902 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:55,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:55,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-09-24 14:55:55,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:55,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232693091] [2020-09-24 14:55:55,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:55:56,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232693091] [2020-09-24 14:55:56,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:55:56,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:55:56,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290309240] [2020-09-24 14:55:56,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:55:56,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:56,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:55:56,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:55:56,212 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-09-24 14:55:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:56,343 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-09-24 14:55:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:55:56,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 14:55:56,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:56,358 INFO L225 Difference]: With dead ends: 58 [2020-09-24 14:55:56,359 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 14:55:56,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:56,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 14:55:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 14:55:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 14:55:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 14:55:56,425 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-09-24 14:55:56,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:56,425 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 14:55:56,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:55:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 14:55:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 14:55:56,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:56,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:56,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 14:55:56,430 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:56,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:56,430 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-09-24 14:55:56,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:56,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80705760] [2020-09-24 14:55:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:55:56,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80705760] [2020-09-24 14:55:56,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:55:56,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:55:56,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131065578] [2020-09-24 14:55:56,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:55:56,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:55:56,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:55:56,528 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-09-24 14:55:56,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:56,617 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-09-24 14:55:56,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:55:56,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-24 14:55:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:56,620 INFO L225 Difference]: With dead ends: 50 [2020-09-24 14:55:56,620 INFO L226 Difference]: Without dead ends: 44 [2020-09-24 14:55:56,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:56,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-24 14:55:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-09-24 14:55:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 14:55:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 14:55:56,634 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-09-24 14:55:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:56,634 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 14:55:56,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:55:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 14:55:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 14:55:56,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:56,637 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:56,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 14:55:56,638 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:56,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:56,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-09-24 14:55:56,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:56,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275228993] [2020-09-24 14:55:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:55:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 14:55:56,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275228993] [2020-09-24 14:55:56,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:56,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 14:55:56,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309447962] [2020-09-24 14:55:56,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 14:55:56,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:56,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 14:55:56,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:56,809 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-09-24 14:55:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:56,910 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-09-24 14:55:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 14:55:56,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-24 14:55:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:56,914 INFO L225 Difference]: With dead ends: 82 [2020-09-24 14:55:56,914 INFO L226 Difference]: Without dead ends: 46 [2020-09-24 14:55:56,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:56,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-24 14:55:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-24 14:55:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-24 14:55:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-09-24 14:55:56,933 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-09-24 14:55:56,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:56,937 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-09-24 14:55:56,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 14:55:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-09-24 14:55:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 14:55:56,940 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:56,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:56,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 14:55:56,944 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:56,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:56,945 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-09-24 14:55:56,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:56,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142259815] [2020-09-24 14:55:56,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 14:55:57,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142259815] [2020-09-24 14:55:57,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:57,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 14:55:57,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104505931] [2020-09-24 14:55:57,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 14:55:57,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:57,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 14:55:57,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:57,077 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-09-24 14:55:57,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:57,280 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-09-24 14:55:57,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 14:55:57,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-09-24 14:55:57,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:57,285 INFO L225 Difference]: With dead ends: 74 [2020-09-24 14:55:57,285 INFO L226 Difference]: Without dead ends: 68 [2020-09-24 14:55:57,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 14:55:57,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-24 14:55:57,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-09-24 14:55:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 14:55:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-09-24 14:55:57,306 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-09-24 14:55:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:57,306 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-09-24 14:55:57,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 14:55:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-09-24 14:55:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 14:55:57,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:57,310 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:57,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 14:55:57,311 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:57,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:57,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-09-24 14:55:57,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:57,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095939048] [2020-09-24 14:55:57,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:55:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 14:55:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:55:57,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095939048] [2020-09-24 14:55:57,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:57,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 14:55:57,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387391194] [2020-09-24 14:55:57,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 14:55:57,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:57,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 14:55:57,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:57,448 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-09-24 14:55:57,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:57,535 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-09-24 14:55:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 14:55:57,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-24 14:55:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:57,538 INFO L225 Difference]: With dead ends: 130 [2020-09-24 14:55:57,539 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 14:55:57,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:57,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 14:55:57,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 14:55:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 14:55:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-09-24 14:55:57,554 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-09-24 14:55:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:57,554 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-09-24 14:55:57,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 14:55:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-09-24 14:55:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 14:55:57,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:57,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:57,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 14:55:57,558 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:57,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-09-24 14:55:57,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:57,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943433587] [2020-09-24 14:55:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 14:55:57,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943433587] [2020-09-24 14:55:57,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:57,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:57,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685651061] [2020-09-24 14:55:57,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:57,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:57,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:57,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:57,743 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-09-24 14:55:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:57,865 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-09-24 14:55:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 14:55:57,866 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-24 14:55:57,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:57,869 INFO L225 Difference]: With dead ends: 142 [2020-09-24 14:55:57,869 INFO L226 Difference]: Without dead ends: 78 [2020-09-24 14:55:57,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:57,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-24 14:55:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-09-24 14:55:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 14:55:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-09-24 14:55:57,883 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-09-24 14:55:57,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:57,884 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-09-24 14:55:57,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-09-24 14:55:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 14:55:57,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:57,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:57,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 14:55:57,887 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:57,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:57,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-09-24 14:55:57,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:57,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025629749] [2020-09-24 14:55:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:55:58,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025629749] [2020-09-24 14:55:58,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:58,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:58,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751631563] [2020-09-24 14:55:58,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:58,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:58,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:58,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:58,049 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-09-24 14:55:58,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:58,266 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-09-24 14:55:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 14:55:58,266 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-24 14:55:58,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:58,269 INFO L225 Difference]: With dead ends: 118 [2020-09-24 14:55:58,269 INFO L226 Difference]: Without dead ends: 112 [2020-09-24 14:55:58,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:55:58,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-09-24 14:55:58,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-09-24 14:55:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-24 14:55:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-09-24 14:55:58,287 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-09-24 14:55:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:58,288 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-09-24 14:55:58,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-09-24 14:55:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 14:55:58,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:58,292 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:58,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 14:55:58,292 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:58,293 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-09-24 14:55:58,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:58,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102250009] [2020-09-24 14:55:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 14:55:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 14:55:58,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102250009] [2020-09-24 14:55:58,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:58,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:58,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123080753] [2020-09-24 14:55:58,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:58,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:58,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:58,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:58,468 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-09-24 14:55:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:58,604 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-09-24 14:55:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 14:55:58,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-24 14:55:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:58,607 INFO L225 Difference]: With dead ends: 227 [2020-09-24 14:55:58,608 INFO L226 Difference]: Without dead ends: 127 [2020-09-24 14:55:58,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:58,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-09-24 14:55:58,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-09-24 14:55:58,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-24 14:55:58,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-09-24 14:55:58,627 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-09-24 14:55:58,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:58,628 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-09-24 14:55:58,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-09-24 14:55:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-24 14:55:58,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:58,630 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:58,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 14:55:58,631 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:58,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:58,631 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-09-24 14:55:58,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:58,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384229231] [2020-09-24 14:55:58,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 14:55:58,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384229231] [2020-09-24 14:55:58,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:58,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:58,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725478557] [2020-09-24 14:55:58,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:58,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:58,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:58,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:58,844 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-09-24 14:55:59,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:59,081 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-09-24 14:55:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 14:55:59,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-09-24 14:55:59,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:59,084 INFO L225 Difference]: With dead ends: 257 [2020-09-24 14:55:59,085 INFO L226 Difference]: Without dead ends: 151 [2020-09-24 14:55:59,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:55:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-24 14:55:59,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-09-24 14:55:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-24 14:55:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-09-24 14:55:59,103 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-09-24 14:55:59,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:59,104 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-09-24 14:55:59,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-09-24 14:55:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 14:55:59,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:59,107 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:59,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 14:55:59,107 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:59,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:59,108 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-09-24 14:55:59,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:59,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672092684] [2020-09-24 14:55:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-09-24 14:55:59,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672092684] [2020-09-24 14:55:59,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:59,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 14:55:59,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640840678] [2020-09-24 14:55:59,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 14:55:59,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:59,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 14:55:59,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:55:59,401 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-09-24 14:55:59,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:59,843 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-09-24 14:55:59,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 14:55:59,844 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-09-24 14:55:59,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:59,848 INFO L225 Difference]: With dead ends: 265 [2020-09-24 14:55:59,848 INFO L226 Difference]: Without dead ends: 116 [2020-09-24 14:55:59,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-09-24 14:55:59,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-09-24 14:55:59,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-09-24 14:55:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-24 14:55:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-09-24 14:55:59,862 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-09-24 14:55:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:59,862 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-09-24 14:55:59,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 14:55:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-09-24 14:55:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 14:55:59,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:59,864 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:59,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 14:55:59,865 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:59,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1352793328, now seen corresponding path program 2 times [2020-09-24 14:55:59,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:59,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455572308] [2020-09-24 14:55:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 14:56:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 45 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-09-24 14:56:00,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455572308] [2020-09-24 14:56:00,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:00,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:56:00,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244271231] [2020-09-24 14:56:00,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:56:00,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:00,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:56:00,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:56:00,134 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-09-24 14:56:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:00,354 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-09-24 14:56:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 14:56:00,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-09-24 14:56:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:00,356 INFO L225 Difference]: With dead ends: 193 [2020-09-24 14:56:00,356 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 14:56:00,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:56:00,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 14:56:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-09-24 14:56:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 14:56:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-09-24 14:56:00,368 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 105 [2020-09-24 14:56:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:00,369 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-09-24 14:56:00,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:56:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-09-24 14:56:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-24 14:56:00,370 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:00,371 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:00,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 14:56:00,371 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:00,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:00,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 1 times [2020-09-24 14:56:00,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:00,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475047651] [2020-09-24 14:56:00,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-09-24 14:56:00,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475047651] [2020-09-24 14:56:00,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:00,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:56:00,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406831667] [2020-09-24 14:56:00,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:56:00,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:00,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:56:00,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:56:00,708 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 10 states. [2020-09-24 14:56:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:00,990 INFO L93 Difference]: Finished difference Result 214 states and 288 transitions. [2020-09-24 14:56:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 14:56:00,991 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-09-24 14:56:00,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:00,996 INFO L225 Difference]: With dead ends: 214 [2020-09-24 14:56:00,996 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 14:56:00,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-09-24 14:56:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 14:56:01,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2020-09-24 14:56:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 14:56:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 256 transitions. [2020-09-24 14:56:01,022 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 256 transitions. Word has length 140 [2020-09-24 14:56:01,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:01,023 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 256 transitions. [2020-09-24 14:56:01,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:56:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 256 transitions. [2020-09-24 14:56:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 14:56:01,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:01,027 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 10, 10, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:01,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 14:56:01,027 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:01,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:01,028 INFO L82 PathProgramCache]: Analyzing trace with hash 239143290, now seen corresponding path program 2 times [2020-09-24 14:56:01,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:01,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333475478] [2020-09-24 14:56:01,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 14:56:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 14:56:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 181 proven. 247 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2020-09-24 14:56:01,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333475478] [2020-09-24 14:56:01,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:01,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 14:56:01,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391026209] [2020-09-24 14:56:01,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 14:56:01,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:01,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 14:56:01,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 14:56:01,681 INFO L87 Difference]: Start difference. First operand 189 states and 256 transitions. Second operand 15 states. [2020-09-24 14:56:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:02,271 INFO L93 Difference]: Finished difference Result 454 states and 698 transitions. [2020-09-24 14:56:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 14:56:02,271 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 211 [2020-09-24 14:56:02,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:02,276 INFO L225 Difference]: With dead ends: 454 [2020-09-24 14:56:02,277 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 14:56:02,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2020-09-24 14:56:02,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 14:56:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 249. [2020-09-24 14:56:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 14:56:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 352 transitions. [2020-09-24 14:56:02,305 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 352 transitions. Word has length 211 [2020-09-24 14:56:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:02,305 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 352 transitions. [2020-09-24 14:56:02,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 14:56:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 352 transitions. [2020-09-24 14:56:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 14:56:02,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:02,311 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:02,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 14:56:02,311 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:02,311 INFO L82 PathProgramCache]: Analyzing trace with hash 532943989, now seen corresponding path program 3 times [2020-09-24 14:56:02,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:02,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716261761] [2020-09-24 14:56:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 14:56:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 137 proven. 101 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-09-24 14:56:02,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716261761] [2020-09-24 14:56:02,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:02,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 14:56:02,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725767802] [2020-09-24 14:56:02,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 14:56:02,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:02,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 14:56:02,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:56:02,699 INFO L87 Difference]: Start difference. First operand 249 states and 352 transitions. Second operand 11 states. [2020-09-24 14:56:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:03,007 INFO L93 Difference]: Finished difference Result 522 states and 789 transitions. [2020-09-24 14:56:03,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 14:56:03,008 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2020-09-24 14:56:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:03,012 INFO L225 Difference]: With dead ends: 522 [2020-09-24 14:56:03,012 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 14:56:03,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-24 14:56:03,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 14:56:03,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-24 14:56:03,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-24 14:56:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 408 transitions. [2020-09-24 14:56:03,047 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 408 transitions. Word has length 175 [2020-09-24 14:56:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:03,047 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 408 transitions. [2020-09-24 14:56:03,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 14:56:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 408 transitions. [2020-09-24 14:56:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-24 14:56:03,056 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:03,056 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:03,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 14:56:03,057 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:03,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:03,057 INFO L82 PathProgramCache]: Analyzing trace with hash -2113087688, now seen corresponding path program 4 times [2020-09-24 14:56:03,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:03,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897200866] [2020-09-24 14:56:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 261 proven. 446 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-09-24 14:56:03,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897200866] [2020-09-24 14:56:03,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:03,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 14:56:03,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620695478] [2020-09-24 14:56:03,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 14:56:03,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:03,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 14:56:03,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 14:56:03,893 INFO L87 Difference]: Start difference. First operand 283 states and 408 transitions. Second operand 16 states. [2020-09-24 14:56:04,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:04,731 INFO L93 Difference]: Finished difference Result 550 states and 860 transitions. [2020-09-24 14:56:04,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-24 14:56:04,731 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 281 [2020-09-24 14:56:04,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:04,735 INFO L225 Difference]: With dead ends: 550 [2020-09-24 14:56:04,735 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 14:56:04,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 14:56:04,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 14:56:04,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 181. [2020-09-24 14:56:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 14:56:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2020-09-24 14:56:04,753 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 281 [2020-09-24 14:56:04,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:04,754 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2020-09-24 14:56:04,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 14:56:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2020-09-24 14:56:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-24 14:56:04,760 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:04,760 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:04,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 14:56:04,761 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:04,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1898384370, now seen corresponding path program 5 times [2020-09-24 14:56:04,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:04,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823455265] [2020-09-24 14:56:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 14:56:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 332 proven. 608 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2020-09-24 14:56:05,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823455265] [2020-09-24 14:56:05,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:05,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 14:56:05,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342956431] [2020-09-24 14:56:05,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 14:56:05,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:05,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 14:56:05,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:56:05,743 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand 14 states. [2020-09-24 14:56:06,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:06,412 INFO L93 Difference]: Finished difference Result 335 states and 458 transitions. [2020-09-24 14:56:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 14:56:06,412 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 369 [2020-09-24 14:56:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:06,414 INFO L225 Difference]: With dead ends: 335 [2020-09-24 14:56:06,415 INFO L226 Difference]: Without dead ends: 161 [2020-09-24 14:56:06,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-09-24 14:56:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-24 14:56:06,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2020-09-24 14:56:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 14:56:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 191 transitions. [2020-09-24 14:56:06,427 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 191 transitions. Word has length 369 [2020-09-24 14:56:06,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:06,427 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 191 transitions. [2020-09-24 14:56:06,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 14:56:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 191 transitions. [2020-09-24 14:56:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-24 14:56:06,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:06,434 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:06,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 14:56:06,434 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:06,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:06,435 INFO L82 PathProgramCache]: Analyzing trace with hash 549243331, now seen corresponding path program 6 times [2020-09-24 14:56:06,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:06,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240638096] [2020-09-24 14:56:06,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 130 proven. 672 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2020-09-24 14:56:07,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240638096] [2020-09-24 14:56:07,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:07,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 14:56:07,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572713927] [2020-09-24 14:56:07,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 14:56:07,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:07,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 14:56:07,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:56:07,357 INFO L87 Difference]: Start difference. First operand 153 states and 191 transitions. Second operand 12 states. [2020-09-24 14:56:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:07,704 INFO L93 Difference]: Finished difference Result 376 states and 522 transitions. [2020-09-24 14:56:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 14:56:07,705 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 369 [2020-09-24 14:56:07,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:07,715 INFO L225 Difference]: With dead ends: 376 [2020-09-24 14:56:07,716 INFO L226 Difference]: Without dead ends: 370 [2020-09-24 14:56:07,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-09-24 14:56:07,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-09-24 14:56:07,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 333. [2020-09-24 14:56:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-09-24 14:56:07,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 461 transitions. [2020-09-24 14:56:07,744 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 461 transitions. Word has length 369 [2020-09-24 14:56:07,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:07,745 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 461 transitions. [2020-09-24 14:56:07,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 14:56:07,745 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 461 transitions. [2020-09-24 14:56:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2020-09-24 14:56:07,759 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:07,760 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 9, 9, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:07,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 14:56:07,760 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash -444779053, now seen corresponding path program 7 times [2020-09-24 14:56:07,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:07,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765053685] [2020-09-24 14:56:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-24 14:56:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5757 backedges. 560 proven. 1270 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2020-09-24 14:56:09,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765053685] [2020-09-24 14:56:09,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:09,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 14:56:09,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205401631] [2020-09-24 14:56:09,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 14:56:09,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:09,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 14:56:09,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 14:56:09,380 INFO L87 Difference]: Start difference. First operand 333 states and 461 transitions. Second operand 16 states. [2020-09-24 14:56:10,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:10,103 INFO L93 Difference]: Finished difference Result 751 states and 1127 transitions. [2020-09-24 14:56:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 14:56:10,104 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 545 [2020-09-24 14:56:10,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:10,110 INFO L225 Difference]: With dead ends: 751 [2020-09-24 14:56:10,111 INFO L226 Difference]: Without dead ends: 432 [2020-09-24 14:56:10,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-09-24 14:56:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-09-24 14:56:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 401. [2020-09-24 14:56:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-09-24 14:56:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 552 transitions. [2020-09-24 14:56:10,142 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 552 transitions. Word has length 545 [2020-09-24 14:56:10,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:10,142 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 552 transitions. [2020-09-24 14:56:10,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 14:56:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 552 transitions. [2020-09-24 14:56:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-09-24 14:56:10,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:10,150 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 32, 32, 27, 27, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 10, 10, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:10,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 14:56:10,151 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:10,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:10,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1058675901, now seen corresponding path program 8 times [2020-09-24 14:56:10,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:10,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222092105] [2020-09-24 14:56:10,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-24 14:56:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6996 backedges. 747 proven. 1629 refuted. 0 times theorem prover too weak. 4620 trivial. 0 not checked. [2020-09-24 14:56:12,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222092105] [2020-09-24 14:56:12,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:12,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 14:56:12,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324565303] [2020-09-24 14:56:12,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 14:56:12,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:12,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 14:56:12,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-24 14:56:12,348 INFO L87 Difference]: Start difference. First operand 401 states and 552 transitions. Second operand 18 states. [2020-09-24 14:56:13,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:13,624 INFO L93 Difference]: Finished difference Result 941 states and 1446 transitions. [2020-09-24 14:56:13,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-24 14:56:13,626 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 598 [2020-09-24 14:56:13,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:13,635 INFO L225 Difference]: With dead ends: 941 [2020-09-24 14:56:13,635 INFO L226 Difference]: Without dead ends: 544 [2020-09-24 14:56:13,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 14:56:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-09-24 14:56:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 457. [2020-09-24 14:56:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-24 14:56:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 619 transitions. [2020-09-24 14:56:13,668 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 619 transitions. Word has length 598 [2020-09-24 14:56:13,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:13,668 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 619 transitions. [2020-09-24 14:56:13,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 14:56:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 619 transitions. [2020-09-24 14:56:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-09-24 14:56:13,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:13,674 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 13, 10, 10, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:13,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 14:56:13,675 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:13,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:13,675 INFO L82 PathProgramCache]: Analyzing trace with hash -2032720771, now seen corresponding path program 9 times [2020-09-24 14:56:13,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:13,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870932364] [2020-09-24 14:56:13,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8348 backedges. 1712 proven. 1706 refuted. 0 times theorem prover too weak. 4930 trivial. 0 not checked. [2020-09-24 14:56:16,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870932364] [2020-09-24 14:56:16,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:16,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 14:56:16,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121659933] [2020-09-24 14:56:16,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 14:56:16,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:16,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 14:56:16,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-09-24 14:56:16,004 INFO L87 Difference]: Start difference. First operand 457 states and 619 transitions. Second operand 24 states. [2020-09-24 14:56:17,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:17,786 INFO L93 Difference]: Finished difference Result 806 states and 1229 transitions. [2020-09-24 14:56:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-24 14:56:17,786 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 651 [2020-09-24 14:56:17,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:17,791 INFO L225 Difference]: With dead ends: 806 [2020-09-24 14:56:17,792 INFO L226 Difference]: Without dead ends: 366 [2020-09-24 14:56:17,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-09-24 14:56:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-09-24 14:56:17,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 305. [2020-09-24 14:56:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-24 14:56:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 416 transitions. [2020-09-24 14:56:17,820 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 416 transitions. Word has length 651 [2020-09-24 14:56:17,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:17,821 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 416 transitions. [2020-09-24 14:56:17,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 14:56:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 416 transitions. [2020-09-24 14:56:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-09-24 14:56:17,837 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:17,837 INFO L422 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 22, 22, 20, 20, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:17,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 14:56:17,838 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:17,839 INFO L82 PathProgramCache]: Analyzing trace with hash 678881567, now seen corresponding path program 10 times [2020-09-24 14:56:17,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:17,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982637184] [2020-09-24 14:56:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-09-24 14:56:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 29072 backedges. 2639 proven. 5105 refuted. 0 times theorem prover too weak. 21328 trivial. 0 not checked. [2020-09-24 14:56:22,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982637184] [2020-09-24 14:56:22,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:22,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 14:56:22,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466180215] [2020-09-24 14:56:22,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 14:56:22,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:22,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 14:56:22,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-09-24 14:56:22,526 INFO L87 Difference]: Start difference. First operand 305 states and 416 transitions. Second operand 20 states. [2020-09-24 14:56:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:24,061 INFO L93 Difference]: Finished difference Result 599 states and 939 transitions. [2020-09-24 14:56:24,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-24 14:56:24,061 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1197 [2020-09-24 14:56:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:24,066 INFO L225 Difference]: With dead ends: 599 [2020-09-24 14:56:24,066 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 14:56:24,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=379, Invalid=2483, Unknown=0, NotChecked=0, Total=2862 [2020-09-24 14:56:24,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 14:56:24,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 267. [2020-09-24 14:56:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-24 14:56:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2020-09-24 14:56:24,091 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 1197 [2020-09-24 14:56:24,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:24,091 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2020-09-24 14:56:24,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 14:56:24,092 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2020-09-24 14:56:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-09-24 14:56:24,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:24,106 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 17, 17, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:24,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 14:56:24,107 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:24,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:24,108 INFO L82 PathProgramCache]: Analyzing trace with hash -691827875, now seen corresponding path program 11 times [2020-09-24 14:56:24,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:24,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083534205] [2020-09-24 14:56:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:24,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:26,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18842 backedges. 472 proven. 2641 refuted. 0 times theorem prover too weak. 15729 trivial. 0 not checked. [2020-09-24 14:56:27,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083534205] [2020-09-24 14:56:27,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:27,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 14:56:27,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899261437] [2020-09-24 14:56:27,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 14:56:27,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:27,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 14:56:27,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:56:27,341 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand 14 states. [2020-09-24 14:56:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:27,860 INFO L93 Difference]: Finished difference Result 789 states and 1183 transitions. [2020-09-24 14:56:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 14:56:27,861 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 968 [2020-09-24 14:56:27,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:27,875 INFO L225 Difference]: With dead ends: 789 [2020-09-24 14:56:27,875 INFO L226 Difference]: Without dead ends: 783 [2020-09-24 14:56:27,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-09-24 14:56:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-24 14:56:27,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 734. [2020-09-24 14:56:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-24 14:56:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1101 transitions. [2020-09-24 14:56:27,923 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1101 transitions. Word has length 968 [2020-09-24 14:56:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:27,923 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1101 transitions. [2020-09-24 14:56:27,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 14:56:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1101 transitions. [2020-09-24 14:56:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1674 [2020-09-24 14:56:27,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:27,947 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 77, 76, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 30, 30, 29, 29, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:27,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 14:56:27,948 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:27,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:27,949 INFO L82 PathProgramCache]: Analyzing trace with hash 372244763, now seen corresponding path program 12 times [2020-09-24 14:56:27,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:27,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822209045] [2020-09-24 14:56:27,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:28,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:29,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2020-09-24 14:56:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:32,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 57401 backedges. 1630 proven. 6484 refuted. 0 times theorem prover too weak. 49287 trivial. 0 not checked. [2020-09-24 14:56:34,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822209045] [2020-09-24 14:56:34,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:34,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 14:56:34,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047151746] [2020-09-24 14:56:34,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 14:56:34,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:34,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 14:56:34,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-24 14:56:34,136 INFO L87 Difference]: Start difference. First operand 734 states and 1101 transitions. Second operand 18 states. [2020-09-24 14:56:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:35,233 INFO L93 Difference]: Finished difference Result 1479 states and 2292 transitions. [2020-09-24 14:56:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 14:56:35,234 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1673 [2020-09-24 14:56:35,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:35,245 INFO L225 Difference]: With dead ends: 1479 [2020-09-24 14:56:35,246 INFO L226 Difference]: Without dead ends: 763 [2020-09-24 14:56:35,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 14:56:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-09-24 14:56:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 649. [2020-09-24 14:56:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-09-24 14:56:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 901 transitions. [2020-09-24 14:56:35,299 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 901 transitions. Word has length 1673 [2020-09-24 14:56:35,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:35,300 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 901 transitions. [2020-09-24 14:56:35,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 14:56:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 901 transitions. [2020-09-24 14:56:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2020-09-24 14:56:35,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:35,325 INFO L422 BasicCegarLoop]: trace histogram [98, 98, 95, 95, 78, 78, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 31, 31, 29, 29, 20, 20, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:35,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 14:56:35,326 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:35,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:35,326 INFO L82 PathProgramCache]: Analyzing trace with hash -739879393, now seen corresponding path program 13 times [2020-09-24 14:56:35,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:35,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580478164] [2020-09-24 14:56:35,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:36,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:37,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:38,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2020-09-24 14:56:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 59874 backedges. 3248 proven. 6466 refuted. 0 times theorem prover too weak. 50160 trivial. 0 not checked. [2020-09-24 14:56:42,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580478164] [2020-09-24 14:56:42,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:42,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 14:56:42,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310773020] [2020-09-24 14:56:42,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 14:56:42,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:42,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 14:56:42,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2020-09-24 14:56:42,494 INFO L87 Difference]: Start difference. First operand 649 states and 901 transitions. Second operand 21 states. [2020-09-24 14:56:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:44,414 INFO L93 Difference]: Finished difference Result 1689 states and 2724 transitions. [2020-09-24 14:56:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-24 14:56:44,414 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1708 [2020-09-24 14:56:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:44,427 INFO L225 Difference]: With dead ends: 1689 [2020-09-24 14:56:44,427 INFO L226 Difference]: Without dead ends: 1045 [2020-09-24 14:56:44,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=416, Invalid=2776, Unknown=0, NotChecked=0, Total=3192 [2020-09-24 14:56:44,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-09-24 14:56:44,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 858. [2020-09-24 14:56:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-09-24 14:56:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1295 transitions. [2020-09-24 14:56:44,491 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1295 transitions. Word has length 1708 [2020-09-24 14:56:44,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:44,492 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 1295 transitions. [2020-09-24 14:56:44,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 14:56:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1295 transitions. [2020-09-24 14:56:44,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-09-24 14:56:44,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:44,526 INFO L422 BasicCegarLoop]: trace histogram [112, 112, 107, 107, 89, 88, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 36, 36, 32, 32, 23, 23, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:44,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-24 14:56:44,527 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:44,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:44,528 INFO L82 PathProgramCache]: Analyzing trace with hash 180265717, now seen corresponding path program 14 times [2020-09-24 14:56:44,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:44,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335786406] [2020-09-24 14:56:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:46,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-09-24 14:56:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat