/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 --traceabstraction.use.minimal.unsat.core.enumeration true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:18:55,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:18:55,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:18:55,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:18:55,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:18:55,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:18:55,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:18:55,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:18:55,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:18:55,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:18:55,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:18:55,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:18:55,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:18:55,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:18:55,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:18:55,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:18:55,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:18:55,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:18:55,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:18:55,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:18:55,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:18:55,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:18:55,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:18:55,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:18:55,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:18:55,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:18:55,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:18:55,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:18:55,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:18:55,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:18:55,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:18:55,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:18:55,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:18:55,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:18:55,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:18:55,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:18:55,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:18:55,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:18:55,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:18:55,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:18:55,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:18:55,238 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 [2020-08-18 11:18:55,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:18:55,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:18:55,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:18:55,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:18:55,264 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:18:55,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:18:55,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:18:55,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:18:55,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:18:55,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:18:55,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:18:55,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:18:55,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:18:55,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:18:55,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:18:55,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:18:55,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:18:55,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:18:55,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:18:55,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:18:55,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:18:55,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:18:55,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:18:55,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:18:55,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:18:55,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:18:55,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:18:55,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:18:55,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:18:55,269 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.traceabstraction: Use minimal unsat core enumeration -> true [2020-08-18 11:18:55,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:18:55,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:18:55,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:18:55,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:18:55,618 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:18:55,620 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c [2020-08-18 11:18:55,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5a945632/1fb4b6b746ef46e68b71ee67cca3e113/FLAGe0a5ba30b [2020-08-18 11:18:56,200 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:18:56,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c [2020-08-18 11:18:56,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5a945632/1fb4b6b746ef46e68b71ee67cca3e113/FLAGe0a5ba30b [2020-08-18 11:18:56,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5a945632/1fb4b6b746ef46e68b71ee67cca3e113 [2020-08-18 11:18:56,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:18:56,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:18:56,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:18:56,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:18:56,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:18:56,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:56,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24493d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56, skipping insertion in model container [2020-08-18 11:18:56,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:56,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:18:56,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:18:56,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:18:56,927 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:18:56,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:18:56,971 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:18:56,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56 WrapperNode [2020-08-18 11:18:56,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:18:56,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:18:56,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:18:56,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:18:56,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:56,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:57,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:57,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:57,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:57,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:57,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (1/1) ... [2020-08-18 11:18:57,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:18:57,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:18:57,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:18:57,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:18:57,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (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 [2020-08-18 11:18:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:18:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:18:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-18 11:18:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-18 11:18:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:18:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:18:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:18:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-18 11:18:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-18 11:18:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:18:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:18:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:18:57,496 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:18:57,496 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 11:18:57,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:18:57 BoogieIcfgContainer [2020-08-18 11:18:57,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:18:57,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:18:57,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:18:57,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:18:57,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:18:56" (1/3) ... [2020-08-18 11:18:57,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e25b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:18:57, skipping insertion in model container [2020-08-18 11:18:57,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:56" (2/3) ... [2020-08-18 11:18:57,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e25b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:18:57, skipping insertion in model container [2020-08-18 11:18:57,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:18:57" (3/3) ... [2020-08-18 11:18:57,510 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-1.c [2020-08-18 11:18:57,528 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:18:57,543 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:18:57,564 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:18:57,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:18:57,604 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:18:57,604 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:18:57,605 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:18:57,605 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:18:57,605 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:18:57,605 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:18:57,606 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:18:57,637 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-18 11:18:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 11:18:57,652 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:57,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:57,653 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:57,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:57,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-18 11:18:57,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:57,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112700537] [2020-08-18 11:18:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:18:57,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112700537] [2020-08-18 11:18:57,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:18:57,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:18:57,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482800955] [2020-08-18 11:18:57,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:18:57,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:57,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:18:57,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:18:57,946 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-18 11:18:58,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:58,062 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-18 11:18:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:18:58,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-18 11:18:58,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:58,076 INFO L225 Difference]: With dead ends: 44 [2020-08-18 11:18:58,076 INFO L226 Difference]: Without dead ends: 30 [2020-08-18 11:18:58,080 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 [2020-08-18 11:18:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-18 11:18:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-18 11:18:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 11:18:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 11:18:58,129 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-18 11:18:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:58,130 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 11:18:58,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:18:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 11:18:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-18 11:18:58,132 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:58,132 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:58,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:18:58,133 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:58,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:58,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-18 11:18:58,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:58,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390638973] [2020-08-18 11:18:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:18:58,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390638973] [2020-08-18 11:18:58,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:18:58,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:18:58,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235071542] [2020-08-18 11:18:58,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:18:58,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:58,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:18:58,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:18:58,220 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-18 11:18:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:58,307 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-18 11:18:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:18:58,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-18 11:18:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:58,310 INFO L225 Difference]: With dead ends: 36 [2020-08-18 11:18:58,310 INFO L226 Difference]: Without dead ends: 32 [2020-08-18 11:18:58,312 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 [2020-08-18 11:18:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-18 11:18:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-18 11:18:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 11:18:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 11:18:58,324 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-18 11:18:58,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:58,324 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 11:18:58,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:18:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 11:18:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-18 11:18:58,327 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:58,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:58,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:18:58,328 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:58,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:58,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-18 11:18:58,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:58,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116442566] [2020-08-18 11:18:58,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:18:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:18:58,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116442566] [2020-08-18 11:18:58,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:58,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:18:58,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013154967] [2020-08-18 11:18:58,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:18:58,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:58,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:18:58,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:18:58,521 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-18 11:18:58,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:58,618 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-18 11:18:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:18:58,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-18 11:18:58,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:58,621 INFO L225 Difference]: With dead ends: 58 [2020-08-18 11:18:58,621 INFO L226 Difference]: Without dead ends: 34 [2020-08-18 11:18:58,622 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 [2020-08-18 11:18:58,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-18 11:18:58,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-18 11:18:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-18 11:18:58,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-18 11:18:58,633 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-18 11:18:58,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:58,633 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-18 11:18:58,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:18:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-18 11:18:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-18 11:18:58,636 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:58,636 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] [2020-08-18 11:18:58,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:18:58,637 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:58,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:58,637 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-18 11:18:58,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:58,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713076407] [2020-08-18 11:18:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:18:58,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713076407] [2020-08-18 11:18:58,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:58,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:18:58,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259583194] [2020-08-18 11:18:58,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:18:58,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:58,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:18:58,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:18:58,799 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-18 11:18:59,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:59,038 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-18 11:18:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:18:59,040 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-18 11:18:59,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:59,043 INFO L225 Difference]: With dead ends: 54 [2020-08-18 11:18:59,043 INFO L226 Difference]: Without dead ends: 50 [2020-08-18 11:18:59,044 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 [2020-08-18 11:18:59,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-18 11:18:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-18 11:18:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 11:18:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-18 11:18:59,060 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-18 11:18:59,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:59,060 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-18 11:18:59,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:18:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-18 11:18:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-18 11:18:59,063 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:59,063 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] [2020-08-18 11:18:59,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:18:59,063 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:59,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:59,064 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-18 11:18:59,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:59,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467006578] [2020-08-18 11:18:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:18:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:18:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 11:18:59,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467006578] [2020-08-18 11:18:59,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:59,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 11:18:59,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750310790] [2020-08-18 11:18:59,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 11:18:59,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:59,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 11:18:59,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 11:18:59,200 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-18 11:18:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:59,302 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-18 11:18:59,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 11:18:59,305 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-18 11:18:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:59,307 INFO L225 Difference]: With dead ends: 94 [2020-08-18 11:18:59,307 INFO L226 Difference]: Without dead ends: 52 [2020-08-18 11:18:59,311 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 [2020-08-18 11:18:59,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-18 11:18:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-18 11:18:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-18 11:18:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-18 11:18:59,342 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-18 11:18:59,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:59,342 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-18 11:18:59,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 11:18:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-18 11:18:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 11:18:59,352 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:59,352 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] [2020-08-18 11:18:59,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:18:59,355 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:59,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:59,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-18 11:18:59,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:59,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522534520] [2020-08-18 11:18:59,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 11:18:59,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522534520] [2020-08-18 11:18:59,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:59,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:18:59,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590486125] [2020-08-18 11:18:59,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:18:59,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:59,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:18:59,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:18:59,538 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-18 11:18:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:59,673 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-18 11:18:59,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:18:59,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-18 11:18:59,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:59,676 INFO L225 Difference]: With dead ends: 103 [2020-08-18 11:18:59,676 INFO L226 Difference]: Without dead ends: 57 [2020-08-18 11:18:59,683 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 [2020-08-18 11:18:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-18 11:18:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-18 11:18:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 11:18:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-18 11:18:59,706 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-18 11:18:59,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:59,708 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-18 11:18:59,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:18:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-18 11:18:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-18 11:18:59,717 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:59,718 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] [2020-08-18 11:18:59,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 11:18:59,718 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-18 11:18:59,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:59,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727991153] [2020-08-18 11:18:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 11:18:59,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727991153] [2020-08-18 11:18:59,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:59,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:18:59,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088175020] [2020-08-18 11:18:59,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:18:59,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:59,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:18:59,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:18:59,909 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-18 11:19:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:00,141 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-18 11:19:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 11:19:00,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-18 11:19:00,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:00,144 INFO L225 Difference]: With dead ends: 86 [2020-08-18 11:19:00,144 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 11:19:00,145 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 [2020-08-18 11:19:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 11:19:00,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-18 11:19:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-18 11:19:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-18 11:19:00,161 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-18 11:19:00,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:00,161 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-18 11:19:00,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:19:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-18 11:19:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 11:19:00,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:00,164 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2020-08-18 11:19:00,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 11:19:00,165 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:00,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:00,165 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-18 11:19:00,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:00,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226391944] [2020-08-18 11:19:00,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:19:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-18 11:19:00,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226391944] [2020-08-18 11:19:00,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:00,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:19:00,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244591507] [2020-08-18 11:19:00,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:19:00,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:00,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:19:00,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:19:00,290 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-18 11:19:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:00,424 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-18 11:19:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:19:00,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-18 11:19:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:00,427 INFO L225 Difference]: With dead ends: 167 [2020-08-18 11:19:00,427 INFO L226 Difference]: Without dead ends: 94 [2020-08-18 11:19:00,428 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 [2020-08-18 11:19:00,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-18 11:19:00,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-18 11:19:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-18 11:19:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-18 11:19:00,446 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-18 11:19:00,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:00,447 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-18 11:19:00,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:19:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-18 11:19:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 11:19:00,449 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:00,449 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2020-08-18 11:19:00,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 11:19:00,449 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:00,450 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-18 11:19:00,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:00,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303854063] [2020-08-18 11:19:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 11:19:00,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303854063] [2020-08-18 11:19:00,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:00,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:19:00,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485606922] [2020-08-18 11:19:00,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:19:00,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:00,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:19:00,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:19:00,600 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-18 11:19:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:00,815 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-18 11:19:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 11:19:00,816 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-18 11:19:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:00,818 INFO L225 Difference]: With dead ends: 188 [2020-08-18 11:19:00,818 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 11:19:00,819 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 [2020-08-18 11:19:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 11:19:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-18 11:19:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 11:19:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-18 11:19:00,837 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-18 11:19:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:00,838 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-18 11:19:00,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:19:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-18 11:19:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-18 11:19:00,840 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:00,841 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:00,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 11:19:00,841 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:00,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:00,842 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-18 11:19:00,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:00,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313535280] [2020-08-18 11:19:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-18 11:19:01,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313535280] [2020-08-18 11:19:01,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:01,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:19:01,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190348951] [2020-08-18 11:19:01,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:19:01,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:01,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:19:01,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:19:01,201 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-18 11:19:01,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:01,664 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-18 11:19:01,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 11:19:01,665 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-18 11:19:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:01,668 INFO L225 Difference]: With dead ends: 199 [2020-08-18 11:19:01,668 INFO L226 Difference]: Without dead ends: 86 [2020-08-18 11:19:01,670 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 [2020-08-18 11:19:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-18 11:19:01,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-18 11:19:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-18 11:19:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-18 11:19:01,690 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-18 11:19:01,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:01,690 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-18 11:19:01,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:19:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-18 11:19:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 11:19:01,693 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:01,693 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:01,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 11:19:01,694 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:01,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:01,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-18 11:19:01,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:01,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404220586] [2020-08-18 11:19:01,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 11:19:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-18 11:19:01,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404220586] [2020-08-18 11:19:01,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:01,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:19:01,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101544109] [2020-08-18 11:19:01,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:19:01,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:01,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:19:01,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:19:01,960 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-18 11:19:02,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:02,214 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-18 11:19:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:19:02,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-18 11:19:02,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:02,216 INFO L225 Difference]: With dead ends: 142 [2020-08-18 11:19:02,216 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 11:19:02,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 11:19:02,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-18 11:19:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-18 11:19:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-18 11:19:02,244 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-18 11:19:02,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:02,245 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-18 11:19:02,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:19:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-18 11:19:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-18 11:19:02,250 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:02,250 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:02,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 11:19:02,251 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:02,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-18 11:19:02,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:02,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499159129] [2020-08-18 11:19:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 11:19:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 11:19:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 11:19:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-18 11:19:02,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499159129] [2020-08-18 11:19:02,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:02,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 11:19:02,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472828931] [2020-08-18 11:19:02,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 11:19:02,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:02,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 11:19:02,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:19:02,946 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-18 11:19:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:03,528 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-18 11:19:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 11:19:03,529 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-18 11:19:03,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:03,531 INFO L225 Difference]: With dead ends: 184 [2020-08-18 11:19:03,531 INFO L226 Difference]: Without dead ends: 111 [2020-08-18 11:19:03,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-18 11:19:03,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-18 11:19:03,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-18 11:19:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 11:19:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-18 11:19:03,543 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-18 11:19:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:03,544 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-18 11:19:03,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 11:19:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-18 11:19:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 11:19:03,546 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:03,546 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:03,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 11:19:03,547 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:03,547 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-18 11:19:03,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:03,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619886796] [2020-08-18 11:19:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:19:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-18 11:19:03,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619886796] [2020-08-18 11:19:03,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:03,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:19:03,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005268270] [2020-08-18 11:19:03,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:19:03,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:03,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:19:03,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:19:03,825 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-18 11:19:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:04,060 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-18 11:19:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 11:19:04,061 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-18 11:19:04,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:04,063 INFO L225 Difference]: With dead ends: 188 [2020-08-18 11:19:04,063 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 11:19:04,065 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 [2020-08-18 11:19:04,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 11:19:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-18 11:19:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-18 11:19:04,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-18 11:19:04,077 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-18 11:19:04,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:04,077 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-18 11:19:04,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:19:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-18 11:19:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 11:19:04,080 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:04,080 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:04,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 11:19:04,081 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:04,081 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-18 11:19:04,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:04,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163956479] [2020-08-18 11:19:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-18 11:19:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-18 11:19:04,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163956479] [2020-08-18 11:19:04,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:04,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:04,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597206044] [2020-08-18 11:19:04,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:04,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:04,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:04,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:04,553 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-18 11:19:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:05,141 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-18 11:19:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 11:19:05,142 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-18 11:19:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:05,144 INFO L225 Difference]: With dead ends: 224 [2020-08-18 11:19:05,145 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 11:19:05,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-18 11:19:05,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 11:19:05,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-18 11:19:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 11:19:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-18 11:19:05,159 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-18 11:19:05,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:05,159 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-18 11:19:05,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-18 11:19:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 11:19:05,162 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:05,162 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:05,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 11:19:05,162 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:05,163 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-18 11:19:05,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:05,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989319913] [2020-08-18 11:19:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-18 11:19:05,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989319913] [2020-08-18 11:19:05,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:05,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:19:05,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007929025] [2020-08-18 11:19:05,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:19:05,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:05,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:19:05,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:19:05,526 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-18 11:19:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:05,879 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-18 11:19:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 11:19:05,880 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-18 11:19:05,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:05,884 INFO L225 Difference]: With dead ends: 244 [2020-08-18 11:19:05,884 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 11:19:05,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:19:05,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 11:19:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-18 11:19:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 11:19:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-18 11:19:05,915 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-18 11:19:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:05,915 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-18 11:19:05,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:19:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-18 11:19:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-18 11:19:05,922 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:05,922 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:05,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 11:19:05,923 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:05,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:05,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-18 11:19:05,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:05,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981749555] [2020-08-18 11:19:05,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 11:19:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-18 11:19:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 11:19:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-18 11:19:06,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981749555] [2020-08-18 11:19:06,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:06,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:19:06,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148737651] [2020-08-18 11:19:06,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:19:06,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:06,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:19:06,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:19:06,513 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-18 11:19:06,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:06,830 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-18 11:19:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 11:19:06,831 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-18 11:19:06,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:06,836 INFO L225 Difference]: With dead ends: 429 [2020-08-18 11:19:06,836 INFO L226 Difference]: Without dead ends: 225 [2020-08-18 11:19:06,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:19:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-18 11:19:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-18 11:19:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-18 11:19:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-18 11:19:06,859 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-18 11:19:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:06,860 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-18 11:19:06,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:19:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-18 11:19:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-18 11:19:06,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:06,869 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, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:06,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 11:19:06,870 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:06,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-18 11:19:06,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:06,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759504341] [2020-08-18 11:19:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-18 11:19:07,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759504341] [2020-08-18 11:19:07,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:07,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:19:07,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691718722] [2020-08-18 11:19:07,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:19:07,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:07,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:19:07,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:19:07,532 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-18 11:19:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:07,898 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-18 11:19:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 11:19:07,899 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-18 11:19:07,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:07,907 INFO L225 Difference]: With dead ends: 469 [2020-08-18 11:19:07,907 INFO L226 Difference]: Without dead ends: 465 [2020-08-18 11:19:07,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-18 11:19:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-18 11:19:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-18 11:19:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-18 11:19:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-18 11:19:07,953 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-18 11:19:07,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:07,956 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-18 11:19:07,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:19:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-18 11:19:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-18 11:19:07,966 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:07,966 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:07,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 11:19:07,967 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:07,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:07,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-18 11:19:07,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:07,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396276185] [2020-08-18 11:19:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 11:19:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-18 11:19:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-18 11:19:08,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396276185] [2020-08-18 11:19:08,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:08,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:08,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347443397] [2020-08-18 11:19:08,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:08,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:08,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:08,898 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-18 11:19:09,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:09,346 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-18 11:19:09,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 11:19:09,347 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-18 11:19:09,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:09,362 INFO L225 Difference]: With dead ends: 924 [2020-08-18 11:19:09,363 INFO L226 Difference]: Without dead ends: 493 [2020-08-18 11:19:09,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 11:19:09,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-18 11:19:09,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-18 11:19:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-18 11:19:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-18 11:19:09,415 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-18 11:19:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:09,416 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-18 11:19:09,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:09,416 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-18 11:19:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-18 11:19:09,425 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:09,426 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:09,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 11:19:09,427 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:09,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:09,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 7 times [2020-08-18 11:19:09,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:09,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901364081] [2020-08-18 11:19:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-18 11:19:11,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901364081] [2020-08-18 11:19:11,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:11,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 11:19:11,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901089231] [2020-08-18 11:19:11,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 11:19:11,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:11,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 11:19:11,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:19:11,157 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 22 states. [2020-08-18 11:19:12,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:12,118 INFO L93 Difference]: Finished difference Result 1181 states and 2195 transitions. [2020-08-18 11:19:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-18 11:19:12,118 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-18 11:19:12,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:12,131 INFO L225 Difference]: With dead ends: 1181 [2020-08-18 11:19:12,131 INFO L226 Difference]: Without dead ends: 756 [2020-08-18 11:19:12,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-18 11:19:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-08-18 11:19:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 676. [2020-08-18 11:19:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-08-18 11:19:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1086 transitions. [2020-08-18 11:19:12,200 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1086 transitions. Word has length 436 [2020-08-18 11:19:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:12,201 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 1086 transitions. [2020-08-18 11:19:12,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 11:19:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1086 transitions. [2020-08-18 11:19:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2020-08-18 11:19:12,227 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:12,228 INFO L422 BasicCegarLoop]: trace histogram [64, 64, 57, 57, 50, 48, 32, 32, 32, 32, 32, 32, 32, 28, 28, 28, 28, 28, 28, 28, 22, 16, 14, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:12,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 11:19:12,228 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:12,229 INFO L82 PathProgramCache]: Analyzing trace with hash 410125777, now seen corresponding path program 8 times [2020-08-18 11:19:12,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:12,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916066440] [2020-08-18 11:19:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-18 11:19:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-08-18 11:19:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20297 backedges. 1254 proven. 3853 refuted. 0 times theorem prover too weak. 15190 trivial. 0 not checked. [2020-08-18 11:19:15,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916066440] [2020-08-18 11:19:15,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:15,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-18 11:19:15,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693550280] [2020-08-18 11:19:15,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-18 11:19:15,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:15,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-18 11:19:15,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-08-18 11:19:15,605 INFO L87 Difference]: Start difference. First operand 676 states and 1086 transitions. Second operand 23 states. [2020-08-18 11:19:16,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:16,680 INFO L93 Difference]: Finished difference Result 1184 states and 2069 transitions. [2020-08-18 11:19:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-18 11:19:16,681 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 831 [2020-08-18 11:19:16,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:16,689 INFO L225 Difference]: With dead ends: 1184 [2020-08-18 11:19:16,689 INFO L226 Difference]: Without dead ends: 512 [2020-08-18 11:19:16,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=392, Invalid=2364, Unknown=0, NotChecked=0, Total=2756 [2020-08-18 11:19:16,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-08-18 11:19:16,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 400. [2020-08-18 11:19:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-08-18 11:19:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 611 transitions. [2020-08-18 11:19:16,724 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 611 transitions. Word has length 831 [2020-08-18 11:19:16,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:16,725 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 611 transitions. [2020-08-18 11:19:16,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-18 11:19:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 611 transitions. [2020-08-18 11:19:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-18 11:19:16,733 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:16,734 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:16,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 11:19:16,734 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:16,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:16,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 9 times [2020-08-18 11:19:16,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:16,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242947735] [2020-08-18 11:19:16,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2020-08-18 11:19:18,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242947735] [2020-08-18 11:19:18,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:18,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-18 11:19:18,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048733795] [2020-08-18 11:19:18,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 11:19:18,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:18,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 11:19:18,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-18 11:19:18,112 INFO L87 Difference]: Start difference. First operand 400 states and 611 transitions. Second operand 13 states. [2020-08-18 11:19:18,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:18,450 INFO L93 Difference]: Finished difference Result 939 states and 1507 transitions. [2020-08-18 11:19:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-18 11:19:18,450 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-18 11:19:18,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:18,465 INFO L225 Difference]: With dead ends: 939 [2020-08-18 11:19:18,465 INFO L226 Difference]: Without dead ends: 935 [2020-08-18 11:19:18,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-08-18 11:19:18,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-08-18 11:19:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 889. [2020-08-18 11:19:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-08-18 11:19:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1427 transitions. [2020-08-18 11:19:18,531 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1427 transitions. Word has length 463 [2020-08-18 11:19:18,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:18,532 INFO L479 AbstractCegarLoop]: Abstraction has 889 states and 1427 transitions. [2020-08-18 11:19:18,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 11:19:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1427 transitions. [2020-08-18 11:19:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-18 11:19:18,539 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:18,539 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 45, 45, 38, 37, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 16, 13, 10, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:18,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 11:19:18,540 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:18,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:18,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 10 times [2020-08-18 11:19:18,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:18,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257492512] [2020-08-18 11:19:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 11:19:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-18 11:19:20,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257492512] [2020-08-18 11:19:20,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:20,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 11:19:20,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840885038] [2020-08-18 11:19:20,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 11:19:20,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:20,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 11:19:20,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-18 11:19:20,320 INFO L87 Difference]: Start difference. First operand 889 states and 1427 transitions. Second operand 16 states. [2020-08-18 11:19:20,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:20,969 INFO L93 Difference]: Finished difference Result 1807 states and 3095 transitions. [2020-08-18 11:19:20,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 11:19:20,970 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-18 11:19:20,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:20,985 INFO L225 Difference]: With dead ends: 1807 [2020-08-18 11:19:20,986 INFO L226 Difference]: Without dead ends: 936 [2020-08-18 11:19:20,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-18 11:19:20,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-08-18 11:19:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 916. [2020-08-18 11:19:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-08-18 11:19:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1463 transitions. [2020-08-18 11:19:21,075 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1463 transitions. Word has length 640 [2020-08-18 11:19:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:21,076 INFO L479 AbstractCegarLoop]: Abstraction has 916 states and 1463 transitions. [2020-08-18 11:19:21,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 11:19:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1463 transitions. [2020-08-18 11:19:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1826 [2020-08-18 11:19:21,130 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:21,131 INFO L422 BasicCegarLoop]: trace histogram [134, 134, 133, 133, 109, 107, 67, 67, 67, 67, 67, 67, 67, 66, 66, 66, 66, 66, 66, 66, 43, 40, 26, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:21,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 11:19:21,132 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:21,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:21,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1708265766, now seen corresponding path program 11 times [2020-08-18 11:19:21,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:21,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017379854] [2020-08-18 11:19:21,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:23,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2020-08-18 11:19:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 99737 backedges. 1589 proven. 9308 refuted. 0 times theorem prover too weak. 88840 trivial. 0 not checked. [2020-08-18 11:19:29,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017379854] [2020-08-18 11:19:29,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:29,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 11:19:29,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691494572] [2020-08-18 11:19:29,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 11:19:29,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:29,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 11:19:29,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:19:29,799 INFO L87 Difference]: Start difference. First operand 916 states and 1463 transitions. Second operand 20 states. [2020-08-18 11:19:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:31,092 INFO L93 Difference]: Finished difference Result 1512 states and 2634 transitions. [2020-08-18 11:19:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-18 11:19:31,093 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1825 [2020-08-18 11:19:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:31,106 INFO L225 Difference]: With dead ends: 1512 [2020-08-18 11:19:31,106 INFO L226 Difference]: Without dead ends: 601 [2020-08-18 11:19:31,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-18 11:19:31,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-08-18 11:19:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 538. [2020-08-18 11:19:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-18 11:19:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 839 transitions. [2020-08-18 11:19:31,173 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 839 transitions. Word has length 1825 [2020-08-18 11:19:31,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:31,174 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 839 transitions. [2020-08-18 11:19:31,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 11:19:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 839 transitions. [2020-08-18 11:19:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2020-08-18 11:19:31,196 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:31,197 INFO L422 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 53, 53, 33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 32, 32, 32, 32, 21, 20, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:31,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 11:19:31,197 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:31,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:31,198 INFO L82 PathProgramCache]: Analyzing trace with hash -15983332, now seen corresponding path program 12 times [2020-08-18 11:19:31,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:31,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462357823] [2020-08-18 11:19:31,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 23752 backedges. 899 proven. 3213 refuted. 0 times theorem prover too weak. 19640 trivial. 0 not checked. [2020-08-18 11:19:34,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462357823] [2020-08-18 11:19:34,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:34,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:34,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342487945] [2020-08-18 11:19:34,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:34,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:34,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:34,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:34,161 INFO L87 Difference]: Start difference. First operand 538 states and 839 transitions. Second operand 18 states. [2020-08-18 11:19:34,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:34,987 INFO L93 Difference]: Finished difference Result 1082 states and 1732 transitions. [2020-08-18 11:19:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-18 11:19:34,988 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 899 [2020-08-18 11:19:34,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:34,997 INFO L225 Difference]: With dead ends: 1082 [2020-08-18 11:19:34,998 INFO L226 Difference]: Without dead ends: 576 [2020-08-18 11:19:35,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 11:19:35,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-08-18 11:19:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 538. [2020-08-18 11:19:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-18 11:19:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 808 transitions. [2020-08-18 11:19:35,040 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 808 transitions. Word has length 899 [2020-08-18 11:19:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:35,041 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 808 transitions. [2020-08-18 11:19:35,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 808 transitions. [2020-08-18 11:19:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-18 11:19:35,052 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:35,053 INFO L422 BasicCegarLoop]: trace histogram [69, 69, 66, 66, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 14, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:35,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 11:19:35,056 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:35,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2005403070, now seen corresponding path program 13 times [2020-08-18 11:19:35,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:35,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509010598] [2020-08-18 11:19:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 25236 backedges. 1773 proven. 3546 refuted. 0 times theorem prover too weak. 19917 trivial. 0 not checked. [2020-08-18 11:19:38,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509010598] [2020-08-18 11:19:38,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:38,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 11:19:38,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910594792] [2020-08-18 11:19:38,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 11:19:38,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:38,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 11:19:38,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:19:38,171 INFO L87 Difference]: Start difference. First operand 538 states and 808 transitions. Second operand 22 states. [2020-08-18 11:19:39,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:39,715 INFO L93 Difference]: Finished difference Result 843 states and 1371 transitions. [2020-08-18 11:19:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-08-18 11:19:39,715 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 926 [2020-08-18 11:19:39,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:39,721 INFO L225 Difference]: With dead ends: 843 [2020-08-18 11:19:39,721 INFO L226 Difference]: Without dead ends: 292 [2020-08-18 11:19:39,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=2986, Unknown=0, NotChecked=0, Total=3422 [2020-08-18 11:19:39,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-08-18 11:19:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 253. [2020-08-18 11:19:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-08-18 11:19:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 374 transitions. [2020-08-18 11:19:39,745 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 374 transitions. Word has length 926 [2020-08-18 11:19:39,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:39,746 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 374 transitions. [2020-08-18 11:19:39,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 11:19:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 374 transitions. [2020-08-18 11:19:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1254 [2020-08-18 11:19:39,762 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:39,763 INFO L422 BasicCegarLoop]: trace histogram [93, 93, 90, 90, 74, 74, 46, 46, 46, 46, 46, 46, 46, 45, 45, 45, 45, 45, 45, 45, 29, 28, 19, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:39,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 11:19:39,763 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:39,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1983723242, now seen corresponding path program 14 times [2020-08-18 11:19:39,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:39,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811454739] [2020-08-18 11:19:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2020-08-18 11:19:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 46634 backedges. 1175 proven. 5008 refuted. 0 times theorem prover too weak. 40451 trivial. 0 not checked. [2020-08-18 11:19:43,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811454739] [2020-08-18 11:19:43,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:43,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:43,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362617376] [2020-08-18 11:19:43,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:43,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:43,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:43,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:43,865 INFO L87 Difference]: Start difference. First operand 253 states and 374 transitions. Second operand 18 states. [2020-08-18 11:19:44,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:44,748 INFO L93 Difference]: Finished difference Result 492 states and 742 transitions. [2020-08-18 11:19:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-18 11:19:44,748 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1253 [2020-08-18 11:19:44,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:44,753 INFO L225 Difference]: With dead ends: 492 [2020-08-18 11:19:44,753 INFO L226 Difference]: Without dead ends: 271 [2020-08-18 11:19:44,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 11:19:44,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-08-18 11:19:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 253. [2020-08-18 11:19:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-08-18 11:19:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 365 transitions. [2020-08-18 11:19:44,771 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 365 transitions. Word has length 1253 [2020-08-18 11:19:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:44,772 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 365 transitions. [2020-08-18 11:19:44,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 365 transitions. [2020-08-18 11:19:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-18 11:19:44,787 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:44,787 INFO L422 BasicCegarLoop]: trace histogram [90, 90, 87, 87, 72, 71, 45, 45, 45, 45, 45, 45, 45, 43, 43, 43, 43, 43, 43, 43, 29, 26, 18, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:44,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 11:19:44,788 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:44,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:44,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1219901515, now seen corresponding path program 15 times [2020-08-18 11:19:44,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:44,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884126914] [2020-08-18 11:19:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:45,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:45,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat