/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 --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:34:32,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:34:32,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:34:32,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:34:32,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:34:32,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:34:32,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:34:32,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:34:32,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:34:32,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:34:32,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:34:32,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:34:32,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:34:32,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:34:32,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:34:32,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:34:32,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:34:32,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:34:32,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:34:32,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:34:32,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:34:32,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:34:32,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:34:32,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:34:32,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:34:32,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:34:32,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:34:32,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:34:32,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:34:32,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-22 00:34:32,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:34:32,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:34:32,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:34:32,603 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 [2020-08-22 00:34:32,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:34:32,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:34:32,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:34:32,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:34:32,652 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:34:32,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:34:32,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:34:32,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:34:32,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:34:32,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:34:32,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:34:32,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:34:32,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:34:32,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:34:32,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:34:32,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:34:32,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:34:32,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:34:32,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:34:32,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:34:32,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:34:32,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:34:32,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:34:32,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:34:32,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:34:32,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:34:32,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:34:32,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:34:32,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:34:32,659 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:34:32,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:34:32,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:34:33,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:34:33,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:34:33,009 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:34:33,010 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-08-22 00:34:33,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/210d5f47f/81260cbf8a5a41579952ec13c6617835/FLAG6e254d3fc [2020-08-22 00:34:33,525 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:34:33,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-08-22 00:34:33,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/210d5f47f/81260cbf8a5a41579952ec13c6617835/FLAG6e254d3fc [2020-08-22 00:34:33,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/210d5f47f/81260cbf8a5a41579952ec13c6617835 [2020-08-22 00:34:33,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:34:33,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:34:33,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:34:33,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:34:33,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:34:33,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:34:33" (1/1) ... [2020-08-22 00:34:33,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:33, skipping insertion in model container [2020-08-22 00:34:33,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:34:33" (1/1) ... [2020-08-22 00:34:33,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:34:33,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:34:34,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:34:34,115 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:34:34,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:34:34,141 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:34:34,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34 WrapperNode [2020-08-22 00:34:34,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:34:34,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:34:34,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:34:34,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:34:34,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:34:34,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:34:34,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:34:34,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:34:34,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (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 [2020-08-22 00:34:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:34:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:34:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-22 00:34:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-22 00:34:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:34:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:34:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:34:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-22 00:34:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-22 00:34:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:34:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:34:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:34:34,564 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:34:34,564 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 00:34:34,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:34:34 BoogieIcfgContainer [2020-08-22 00:34:34,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:34:34,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:34:34,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:34:34,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:34:34,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:34:33" (1/3) ... [2020-08-22 00:34:34,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52226f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:34:34, skipping insertion in model container [2020-08-22 00:34:34,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (2/3) ... [2020-08-22 00:34:34,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52226f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:34:34, skipping insertion in model container [2020-08-22 00:34:34,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:34:34" (3/3) ... [2020-08-22 00:34:34,578 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-08-22 00:34:34,591 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:34:34,599 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:34:34,620 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:34:34,656 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:34:34,657 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:34:34,657 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:34:34,657 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:34:34,657 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:34:34,658 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:34:34,658 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:34:34,658 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:34:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-22 00:34:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-22 00:34:34,691 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:34,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:34,694 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:34,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:34,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-22 00:34:34,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:34,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892905526] [2020-08-22 00:34:34,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:34,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:34:34,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892905526] [2020-08-22 00:34:34,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:34:34,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 00:34:34,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725721772] [2020-08-22 00:34:34,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:34:34,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:34,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:34:34,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:34:34,979 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-22 00:34:35,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:35,093 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-22 00:34:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:34:35,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-22 00:34:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:35,109 INFO L225 Difference]: With dead ends: 44 [2020-08-22 00:34:35,110 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 00:34:35,114 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 [2020-08-22 00:34:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 00:34:35,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 00:34:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 00:34:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 00:34:35,166 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-22 00:34:35,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:35,167 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 00:34:35,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:34:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 00:34:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 00:34:35,170 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:35,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:35,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:34:35,171 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:35,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-22 00:34:35,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:35,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381670162] [2020-08-22 00:34:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:34:35,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381670162] [2020-08-22 00:34:35,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:34:35,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 00:34:35,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878058616] [2020-08-22 00:34:35,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:34:35,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:34:35,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:34:35,310 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-22 00:34:35,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:35,422 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-22 00:34:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:34:35,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 00:34:35,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:35,426 INFO L225 Difference]: With dead ends: 36 [2020-08-22 00:34:35,426 INFO L226 Difference]: Without dead ends: 32 [2020-08-22 00:34:35,430 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 [2020-08-22 00:34:35,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-22 00:34:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-22 00:34:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 00:34:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 00:34:35,454 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-22 00:34:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:35,455 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 00:34:35,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:34:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 00:34:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 00:34:35,460 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:35,460 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] [2020-08-22 00:34:35,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:34:35,463 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:35,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:35,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-22 00:34:35,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:35,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622481049] [2020-08-22 00:34:35,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:34:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 00:34:35,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622481049] [2020-08-22 00:34:35,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:35,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 00:34:35,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804654495] [2020-08-22 00:34:35,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:34:35,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:34:35,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:34:35,614 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-22 00:34:35,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:35,706 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-22 00:34:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 00:34:35,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-22 00:34:35,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:35,709 INFO L225 Difference]: With dead ends: 58 [2020-08-22 00:34:35,709 INFO L226 Difference]: Without dead ends: 34 [2020-08-22 00:34:35,710 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 [2020-08-22 00:34:35,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-22 00:34:35,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-22 00:34:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-22 00:34:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-22 00:34:35,720 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-22 00:34:35,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:35,720 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-22 00:34:35,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:34:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-22 00:34:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 00:34:35,723 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:35,723 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] [2020-08-22 00:34:35,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:34:35,724 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:35,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:35,724 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-22 00:34:35,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:35,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567869881] [2020-08-22 00:34:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 00:34:35,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567869881] [2020-08-22 00:34:35,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:35,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 00:34:35,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581435216] [2020-08-22 00:34:35,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:34:35,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:34:35,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:34:35,872 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-22 00:34:36,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,086 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-22 00:34:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:34:36,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-22 00:34:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:36,091 INFO L225 Difference]: With dead ends: 54 [2020-08-22 00:34:36,091 INFO L226 Difference]: Without dead ends: 50 [2020-08-22 00:34:36,092 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 [2020-08-22 00:34:36,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-22 00:34:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-22 00:34:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-22 00:34:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-22 00:34:36,107 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-22 00:34:36,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:36,107 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-22 00:34:36,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:34:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-22 00:34:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 00:34:36,110 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:36,110 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] [2020-08-22 00:34:36,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:34:36,111 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:36,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:36,111 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-22 00:34:36,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:36,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116016866] [2020-08-22 00:34:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:34:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:34:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 00:34:36,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116016866] [2020-08-22 00:34:36,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:36,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 00:34:36,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132995647] [2020-08-22 00:34:36,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 00:34:36,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:36,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 00:34:36,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:34:36,268 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-22 00:34:36,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,354 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-22 00:34:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 00:34:36,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-22 00:34:36,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:36,357 INFO L225 Difference]: With dead ends: 94 [2020-08-22 00:34:36,357 INFO L226 Difference]: Without dead ends: 52 [2020-08-22 00:34:36,358 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 [2020-08-22 00:34:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-22 00:34:36,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-22 00:34:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-22 00:34:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-22 00:34:36,371 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-22 00:34:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:36,371 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-22 00:34:36,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 00:34:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-22 00:34:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 00:34:36,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:36,374 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] [2020-08-22 00:34:36,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:34:36,375 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:36,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:36,376 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-22 00:34:36,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:36,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278151054] [2020-08-22 00:34:36,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 00:34:36,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278151054] [2020-08-22 00:34:36,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:36,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 00:34:36,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121512670] [2020-08-22 00:34:36,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:34:36,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:36,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:34:36,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:34:36,543 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-22 00:34:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,660 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-22 00:34:36,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:34:36,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-22 00:34:36,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:36,663 INFO L225 Difference]: With dead ends: 103 [2020-08-22 00:34:36,663 INFO L226 Difference]: Without dead ends: 57 [2020-08-22 00:34:36,665 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 [2020-08-22 00:34:36,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-22 00:34:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-22 00:34:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-22 00:34:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-22 00:34:36,677 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-22 00:34:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:36,677 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-22 00:34:36,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:34:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-22 00:34:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 00:34:36,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:36,680 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] [2020-08-22 00:34:36,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:34:36,681 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-22 00:34:36,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:36,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934770607] [2020-08-22 00:34:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 00:34:36,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934770607] [2020-08-22 00:34:36,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:36,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 00:34:36,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255552466] [2020-08-22 00:34:36,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:34:36,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:36,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:34:36,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:34:36,798 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-22 00:34:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,998 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-22 00:34:36,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 00:34:36,999 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-22 00:34:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:37,002 INFO L225 Difference]: With dead ends: 86 [2020-08-22 00:34:37,002 INFO L226 Difference]: Without dead ends: 82 [2020-08-22 00:34:37,003 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 [2020-08-22 00:34:37,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-22 00:34:37,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-22 00:34:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-22 00:34:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-22 00:34:37,020 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-22 00:34:37,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:37,020 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-22 00:34:37,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:34:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-22 00:34:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 00:34:37,023 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:37,024 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] [2020-08-22 00:34:37,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 00:34:37,024 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:37,025 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-22 00:34:37,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:37,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012848146] [2020-08-22 00:34:37,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 00:34:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-22 00:34:37,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012848146] [2020-08-22 00:34:37,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:37,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 00:34:37,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946896065] [2020-08-22 00:34:37,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:34:37,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:37,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:34:37,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:34:37,242 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-22 00:34:37,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:37,392 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-22 00:34:37,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:34:37,393 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-22 00:34:37,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:37,395 INFO L225 Difference]: With dead ends: 167 [2020-08-22 00:34:37,395 INFO L226 Difference]: Without dead ends: 94 [2020-08-22 00:34:37,399 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 [2020-08-22 00:34:37,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-22 00:34:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-22 00:34:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-22 00:34:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-22 00:34:37,426 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-22 00:34:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:37,426 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-22 00:34:37,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:34:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-22 00:34:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-22 00:34:37,429 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:37,430 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] [2020-08-22 00:34:37,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 00:34:37,431 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:37,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:37,431 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-22 00:34:37,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:37,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7182117] [2020-08-22 00:34:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 00:34:37,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7182117] [2020-08-22 00:34:37,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:37,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:34:37,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334328091] [2020-08-22 00:34:37,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:34:37,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:37,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:34:37,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:34:37,614 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-22 00:34:37,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:37,873 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-22 00:34:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 00:34:37,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-22 00:34:37,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:37,877 INFO L225 Difference]: With dead ends: 188 [2020-08-22 00:34:37,878 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 00:34:37,879 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 [2020-08-22 00:34:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 00:34:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-22 00:34:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 00:34:37,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-22 00:34:37,912 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-22 00:34:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:37,913 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-22 00:34:37,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:34:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-22 00:34:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-22 00:34:37,917 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:37,917 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] [2020-08-22 00:34:37,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 00:34:37,917 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:37,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:37,918 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-22 00:34:37,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:37,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061301133] [2020-08-22 00:34:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-22 00:34:38,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061301133] [2020-08-22 00:34:38,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:38,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 00:34:38,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104645829] [2020-08-22 00:34:38,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:34:38,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:38,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:34:38,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:34:38,204 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-22 00:34:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:38,636 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-22 00:34:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 00:34:38,636 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-22 00:34:38,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:38,638 INFO L225 Difference]: With dead ends: 199 [2020-08-22 00:34:38,638 INFO L226 Difference]: Without dead ends: 86 [2020-08-22 00:34:38,640 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 [2020-08-22 00:34:38,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-22 00:34:38,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-22 00:34:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-22 00:34:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-22 00:34:38,649 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-22 00:34:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:38,650 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-22 00:34:38,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:34:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-22 00:34:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 00:34:38,652 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:38,652 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] [2020-08-22 00:34:38,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 00:34:38,652 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:38,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:38,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-22 00:34:38,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:38,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824392023] [2020-08-22 00:34:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 00:34:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-22 00:34:38,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824392023] [2020-08-22 00:34:38,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:38,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:34:38,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104956855] [2020-08-22 00:34:38,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:34:38,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:38,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:34:38,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:34:38,870 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-22 00:34:39,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:39,082 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-22 00:34:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 00:34:39,083 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-22 00:34:39,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:39,084 INFO L225 Difference]: With dead ends: 142 [2020-08-22 00:34:39,084 INFO L226 Difference]: Without dead ends: 78 [2020-08-22 00:34:39,085 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 [2020-08-22 00:34:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-22 00:34:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-22 00:34:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-22 00:34:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-22 00:34:39,096 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-22 00:34:39,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:39,096 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-22 00:34:39,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:34:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-22 00:34:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-22 00:34:39,105 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:39,105 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] [2020-08-22 00:34:39,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 00:34:39,105 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:39,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:39,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-22 00:34:39,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:39,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647704303] [2020-08-22 00:34:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 00:34:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 00:34:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 00:34:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-22 00:34:39,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647704303] [2020-08-22 00:34:39,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:39,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 00:34:39,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840125195] [2020-08-22 00:34:39,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 00:34:39,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:39,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 00:34:39,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-22 00:34:39,759 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-22 00:34:40,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:40,424 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-22 00:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 00:34:40,425 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-22 00:34:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:40,427 INFO L225 Difference]: With dead ends: 184 [2020-08-22 00:34:40,428 INFO L226 Difference]: Without dead ends: 111 [2020-08-22 00:34:40,429 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 [2020-08-22 00:34:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-22 00:34:40,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-22 00:34:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 00:34:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-22 00:34:40,439 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-22 00:34:40,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:40,440 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-22 00:34:40,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 00:34:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-22 00:34:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-22 00:34:40,442 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:40,442 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] [2020-08-22 00:34:40,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 00:34:40,443 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:40,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:40,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-22 00:34:40,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:40,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355101730] [2020-08-22 00:34:40,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 00:34:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-22 00:34:40,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355101730] [2020-08-22 00:34:40,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:40,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 00:34:40,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966517915] [2020-08-22 00:34:40,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:34:40,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:40,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:34:40,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:34:40,761 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-22 00:34:41,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:41,025 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-22 00:34:41,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 00:34:41,026 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-22 00:34:41,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:41,029 INFO L225 Difference]: With dead ends: 188 [2020-08-22 00:34:41,029 INFO L226 Difference]: Without dead ends: 101 [2020-08-22 00:34:41,031 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 [2020-08-22 00:34:41,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-22 00:34:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-22 00:34:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-22 00:34:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-22 00:34:41,048 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-22 00:34:41,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:41,050 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-22 00:34:41,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:34:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-22 00:34:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 00:34:41,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:41,054 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] [2020-08-22 00:34:41,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 00:34:41,054 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:41,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:41,055 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-22 00:34:41,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:41,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115218414] [2020-08-22 00:34:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 00:34:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-22 00:34:41,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115218414] [2020-08-22 00:34:41,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:41,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 00:34:41,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674459109] [2020-08-22 00:34:41,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 00:34:41,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:41,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 00:34:41,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:41,565 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-22 00:34:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:42,192 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-22 00:34:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 00:34:42,192 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-22 00:34:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:42,195 INFO L225 Difference]: With dead ends: 224 [2020-08-22 00:34:42,195 INFO L226 Difference]: Without dead ends: 131 [2020-08-22 00:34:42,196 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 [2020-08-22 00:34:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-22 00:34:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-22 00:34:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 00:34:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-22 00:34:42,214 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-22 00:34:42,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:42,214 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-22 00:34:42,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 00:34:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-22 00:34:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 00:34:42,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:42,217 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] [2020-08-22 00:34:42,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 00:34:42,218 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-22 00:34:42,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:42,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586697590] [2020-08-22 00:34:42,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-22 00:34:42,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586697590] [2020-08-22 00:34:42,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:42,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 00:34:42,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994408975] [2020-08-22 00:34:42,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:34:42,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:42,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:34:42,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:34:42,576 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-22 00:34:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:42,964 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-22 00:34:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 00:34:42,964 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-22 00:34:42,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:42,970 INFO L225 Difference]: With dead ends: 244 [2020-08-22 00:34:42,970 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 00:34:42,974 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 [2020-08-22 00:34:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 00:34:42,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-22 00:34:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-22 00:34:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-22 00:34:43,003 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-22 00:34:43,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:43,003 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-22 00:34:43,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:34:43,003 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-22 00:34:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-22 00:34:43,011 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:43,012 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] [2020-08-22 00:34:43,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 00:34:43,013 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:43,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:43,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-22 00:34:43,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:43,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880122395] [2020-08-22 00:34:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 00:34:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 00:34:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 00:34:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-22 00:34:43,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880122395] [2020-08-22 00:34:43,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:43,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 00:34:43,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660564868] [2020-08-22 00:34:43,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:34:43,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:43,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:34:43,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:34:43,764 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-22 00:34:43,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:43,994 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-22 00:34:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 00:34:43,995 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-22 00:34:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:43,998 INFO L225 Difference]: With dead ends: 429 [2020-08-22 00:34:43,998 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 00:34:44,001 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 [2020-08-22 00:34:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 00:34:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-22 00:34:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-22 00:34:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-22 00:34:44,018 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-22 00:34:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:44,018 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-22 00:34:44,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:34:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-22 00:34:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-22 00:34:44,024 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:44,024 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] [2020-08-22 00:34:44,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 00:34:44,024 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:44,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-22 00:34:44,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:44,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469300615] [2020-08-22 00:34:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-22 00:34:44,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469300615] [2020-08-22 00:34:44,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:44,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 00:34:44,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054902059] [2020-08-22 00:34:44,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:34:44,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:44,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:34:44,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:34:44,783 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-22 00:34:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:45,166 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-22 00:34:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 00:34:45,167 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-22 00:34:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:45,173 INFO L225 Difference]: With dead ends: 469 [2020-08-22 00:34:45,174 INFO L226 Difference]: Without dead ends: 465 [2020-08-22 00:34:45,175 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 [2020-08-22 00:34:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-22 00:34:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-22 00:34:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-22 00:34:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-22 00:34:45,208 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-22 00:34:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:45,209 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-22 00:34:45,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:34:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-22 00:34:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-22 00:34:45,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:45,217 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] [2020-08-22 00:34:45,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 00:34:45,218 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:45,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-22 00:34:45,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:45,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534754643] [2020-08-22 00:34:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 00:34:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-22 00:34:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-22 00:34:46,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534754643] [2020-08-22 00:34:46,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:46,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 00:34:46,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523893304] [2020-08-22 00:34:46,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 00:34:46,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:46,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 00:34:46,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:46,412 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-22 00:34:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:46,964 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-22 00:34:46,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 00:34:46,965 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-22 00:34:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:46,991 INFO L225 Difference]: With dead ends: 924 [2020-08-22 00:34:46,992 INFO L226 Difference]: Without dead ends: 493 [2020-08-22 00:34:47,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-22 00:34:47,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-22 00:34:47,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-22 00:34:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-22 00:34:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-22 00:34:47,042 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-22 00:34:47,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:47,043 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-22 00:34:47,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 00:34:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-22 00:34:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-22 00:34:47,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:47,053 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] [2020-08-22 00:34:47,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 00:34:47,054 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:47,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:47,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 7 times [2020-08-22 00:34:47,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:47,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571336320] [2020-08-22 00:34:47,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:34:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-22 00:34:48,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571336320] [2020-08-22 00:34:48,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:48,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-22 00:34:48,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302327733] [2020-08-22 00:34:48,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 00:34:48,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:48,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 00:34:48,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-22 00:34:48,604 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 22 states. [2020-08-22 00:34:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:49,770 INFO L93 Difference]: Finished difference Result 1181 states and 2195 transitions. [2020-08-22 00:34:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 00:34:49,770 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-22 00:34:49,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:49,785 INFO L225 Difference]: With dead ends: 1181 [2020-08-22 00:34:49,785 INFO L226 Difference]: Without dead ends: 756 [2020-08-22 00:34:49,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-22 00:34:49,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-08-22 00:34:49,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 676. [2020-08-22 00:34:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-08-22 00:34:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1086 transitions. [2020-08-22 00:34:49,865 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1086 transitions. Word has length 436 [2020-08-22 00:34:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:49,866 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 1086 transitions. [2020-08-22 00:34:49,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 00:34:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1086 transitions. [2020-08-22 00:34:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-22 00:34:49,879 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:49,879 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] [2020-08-22 00:34:49,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 00:34:49,880 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:49,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:49,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 8 times [2020-08-22 00:34:49,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:49,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707814097] [2020-08-22 00:34:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:34:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2020-08-22 00:34:51,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707814097] [2020-08-22 00:34:51,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:51,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 00:34:51,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089918813] [2020-08-22 00:34:51,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 00:34:51,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:51,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 00:34:51,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-22 00:34:51,074 INFO L87 Difference]: Start difference. First operand 676 states and 1086 transitions. Second operand 13 states. [2020-08-22 00:34:51,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:51,498 INFO L93 Difference]: Finished difference Result 1328 states and 2231 transitions. [2020-08-22 00:34:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 00:34:51,498 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-22 00:34:51,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:51,520 INFO L225 Difference]: With dead ends: 1328 [2020-08-22 00:34:51,520 INFO L226 Difference]: Without dead ends: 1324 [2020-08-22 00:34:51,523 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 [2020-08-22 00:34:51,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2020-08-22 00:34:51,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1304. [2020-08-22 00:34:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-08-22 00:34:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2185 transitions. [2020-08-22 00:34:51,631 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2185 transitions. Word has length 463 [2020-08-22 00:34:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:51,632 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 2185 transitions. [2020-08-22 00:34:51,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 00:34:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2185 transitions. [2020-08-22 00:34:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2020-08-22 00:34:51,658 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:51,659 INFO L422 BasicCegarLoop]: trace histogram [102, 102, 99, 99, 82, 81, 51, 51, 51, 51, 51, 51, 51, 49, 49, 49, 49, 49, 49, 49, 33, 30, 20, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:51,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 00:34:51,659 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:51,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1269461951, now seen corresponding path program 9 times [2020-08-22 00:34:51,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:51,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440773886] [2020-08-22 00:34:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-22 00:34:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-22 00:34:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-22 00:34:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2020-08-22 00:34:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:34:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-22 00:34:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-22 00:34:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 56373 backedges. 4504 proven. 7480 refuted. 0 times theorem prover too weak. 44389 trivial. 0 not checked. [2020-08-22 00:34:57,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440773886] [2020-08-22 00:34:57,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:57,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-22 00:34:57,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972177902] [2020-08-22 00:34:57,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-22 00:34:57,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:57,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-22 00:34:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-22 00:34:57,865 INFO L87 Difference]: Start difference. First operand 1304 states and 2185 transitions. Second operand 29 states. [2020-08-22 00:34:59,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:59,562 INFO L93 Difference]: Finished difference Result 2712 states and 4831 transitions. [2020-08-22 00:34:59,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-08-22 00:34:59,563 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1376 [2020-08-22 00:34:59,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:59,597 INFO L225 Difference]: With dead ends: 2712 [2020-08-22 00:34:59,597 INFO L226 Difference]: Without dead ends: 1422 [2020-08-22 00:34:59,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=448, Invalid=3458, Unknown=0, NotChecked=0, Total=3906 [2020-08-22 00:34:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-08-22 00:34:59,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1254. [2020-08-22 00:34:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-08-22 00:34:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1962 transitions. [2020-08-22 00:34:59,801 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1962 transitions. Word has length 1376 [2020-08-22 00:34:59,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:59,802 INFO L479 AbstractCegarLoop]: Abstraction has 1254 states and 1962 transitions. [2020-08-22 00:34:59,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-22 00:34:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1962 transitions. [2020-08-22 00:34:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-22 00:34:59,821 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:59,822 INFO L422 BasicCegarLoop]: trace histogram [50, 50, 47, 47, 39, 39, 25, 25, 25, 25, 25, 25, 25, 23, 23, 23, 23, 23, 23, 23, 16, 14, 11, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:59,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 00:34:59,823 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:59,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2116238811, now seen corresponding path program 10 times [2020-08-22 00:34:59,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:59,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326960982] [2020-08-22 00:34:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 00:35:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-08-22 00:35:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12918 backedges. 607 proven. 2022 refuted. 0 times theorem prover too weak. 10289 trivial. 0 not checked. [2020-08-22 00:35:02,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326960982] [2020-08-22 00:35:02,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:02,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 00:35:02,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42668118] [2020-08-22 00:35:02,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 00:35:02,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:02,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 00:35:02,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-22 00:35:02,143 INFO L87 Difference]: Start difference. First operand 1254 states and 1962 transitions. Second operand 16 states. [2020-08-22 00:35:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:02,859 INFO L93 Difference]: Finished difference Result 2639 states and 4460 transitions. [2020-08-22 00:35:02,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 00:35:02,860 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 667 [2020-08-22 00:35:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:02,882 INFO L225 Difference]: With dead ends: 2639 [2020-08-22 00:35:02,882 INFO L226 Difference]: Without dead ends: 1399 [2020-08-22 00:35:02,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-22 00:35:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-08-22 00:35:02,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1328. [2020-08-22 00:35:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1328 states. [2020-08-22 00:35:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2092 transitions. [2020-08-22 00:35:02,994 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2092 transitions. Word has length 667 [2020-08-22 00:35:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:02,994 INFO L479 AbstractCegarLoop]: Abstraction has 1328 states and 2092 transitions. [2020-08-22 00:35:02,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 00:35:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2092 transitions. [2020-08-22 00:35:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2020-08-22 00:35:03,008 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:03,009 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 51, 50, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 19, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:03,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-22 00:35:03,009 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:03,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:03,010 INFO L82 PathProgramCache]: Analyzing trace with hash -178678869, now seen corresponding path program 11 times [2020-08-22 00:35:03,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:03,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724008005] [2020-08-22 00:35:03,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-22 00:35:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 21596 backedges. 1127 proven. 3365 refuted. 0 times theorem prover too weak. 17104 trivial. 0 not checked. [2020-08-22 00:35:06,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724008005] [2020-08-22 00:35:06,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:06,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-22 00:35:06,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068403873] [2020-08-22 00:35:06,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 00:35:06,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:06,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 00:35:06,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-22 00:35:06,295 INFO L87 Difference]: Start difference. First operand 1328 states and 2092 transitions. Second operand 20 states. [2020-08-22 00:35:07,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:07,659 INFO L93 Difference]: Finished difference Result 1981 states and 3378 transitions. [2020-08-22 00:35:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-22 00:35:07,659 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 858 [2020-08-22 00:35:07,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:07,670 INFO L225 Difference]: With dead ends: 1981 [2020-08-22 00:35:07,671 INFO L226 Difference]: Without dead ends: 601 [2020-08-22 00:35:07,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-22 00:35:07,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-08-22 00:35:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 498. [2020-08-22 00:35:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-08-22 00:35:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 766 transitions. [2020-08-22 00:35:07,720 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 766 transitions. Word has length 858 [2020-08-22 00:35:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:07,721 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 766 transitions. [2020-08-22 00:35:07,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 00:35:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 766 transitions. [2020-08-22 00:35:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2020-08-22 00:35:07,729 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:07,730 INFO L422 BasicCegarLoop]: trace histogram [61, 61, 58, 58, 48, 48, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 29, 29, 19, 18, 13, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:07,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-22 00:35:07,730 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:07,731 INFO L82 PathProgramCache]: Analyzing trace with hash -34408606, now seen corresponding path program 12 times [2020-08-22 00:35:07,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:07,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399940338] [2020-08-22 00:35:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:35:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 19552 backedges. 2754 proven. 2941 refuted. 0 times theorem prover too weak. 13857 trivial. 0 not checked. [2020-08-22 00:35:10,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399940338] [2020-08-22 00:35:10,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:10,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-08-22 00:35:10,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379864581] [2020-08-22 00:35:10,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-08-22 00:35:10,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:10,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-08-22 00:35:10,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2020-08-22 00:35:10,634 INFO L87 Difference]: Start difference. First operand 498 states and 766 transitions. Second operand 27 states. [2020-08-22 00:35:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:12,520 INFO L93 Difference]: Finished difference Result 820 states and 1364 transitions. [2020-08-22 00:35:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-08-22 00:35:12,521 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 817 [2020-08-22 00:35:12,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:12,527 INFO L225 Difference]: With dead ends: 820 [2020-08-22 00:35:12,527 INFO L226 Difference]: Without dead ends: 348 [2020-08-22 00:35:12,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=711, Invalid=4839, Unknown=0, NotChecked=0, Total=5550 [2020-08-22 00:35:12,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-08-22 00:35:12,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 320. [2020-08-22 00:35:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-08-22 00:35:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 482 transitions. [2020-08-22 00:35:12,552 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 482 transitions. Word has length 817 [2020-08-22 00:35:12,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:12,552 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 482 transitions. [2020-08-22 00:35:12,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-08-22 00:35:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 482 transitions. [2020-08-22 00:35:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2030 [2020-08-22 00:35:12,592 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:12,594 INFO L422 BasicCegarLoop]: trace histogram [149, 149, 148, 148, 120, 120, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 46, 46, 29, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:12,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-22 00:35:12,594 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:12,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:12,595 INFO L82 PathProgramCache]: Analyzing trace with hash 316154609, now seen corresponding path program 13 times [2020-08-22 00:35:12,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:12,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280891043] [2020-08-22 00:35:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:35:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:16,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-22 00:35:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:35:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:17,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-22 00:35:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 123504 backedges. 9759 proven. 14898 refuted. 0 times theorem prover too weak. 98847 trivial. 0 not checked. [2020-08-22 00:35:22,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280891043] [2020-08-22 00:35:22,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:22,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-08-22 00:35:22,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405742707] [2020-08-22 00:35:22,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-08-22 00:35:22,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:22,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-08-22 00:35:22,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1307, Unknown=0, NotChecked=0, Total=1482 [2020-08-22 00:35:22,499 INFO L87 Difference]: Start difference. First operand 320 states and 482 transitions. Second operand 39 states.