/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 14:55:31,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 14:55:31,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 14:55:31,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 14:55:31,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 14:55:31,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 14:55:31,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 14:55:31,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 14:55:31,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 14:55:31,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 14:55:31,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 14:55:31,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 14:55:31,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 14:55:31,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 14:55:31,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 14:55:31,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 14:55:31,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 14:55:31,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 14:55:31,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 14:55:31,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 14:55:31,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 14:55:31,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 14:55:31,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 14:55:31,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 14:55:31,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 14:55:31,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 14:55:31,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 14:55:31,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 14:55:31,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 14:55:31,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 14:55:31,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 14:55:31,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 14:55:31,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 14:55:31,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 14:55:31,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 14:55:31,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 14:55:31,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 14:55:31,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 14:55:31,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 14:55:31,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 14:55:31,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 14:55:31,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 14:55:31,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 14:55:31,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 14:55:31,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 14:55:31,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 14:55:31,482 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 14:55:31,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 14:55:31,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 14:55:31,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 14:55:31,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 14:55:31,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 14:55:31,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 14:55:31,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 14:55:31,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 14:55:31,485 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 14:55:31,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 14:55:31,485 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 14:55:31,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 14:55:31,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 14:55:31,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 14:55:31,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 14:55:31,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 14:55:31,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:55:31,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 14:55:31,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 14:55:31,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 14:55:31,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 14:55:31,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 14:55:31,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 14:55:31,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 14:55:31,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 14:55:31,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 14:55:31,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 14:55:31,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 14:55:31,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 14:55:31,984 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 14:55:31,985 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-09-24 14:55:32,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e8c1eb68/a9a5efb9082e4c129c2c0a606dea764d/FLAGbd268d711 [2020-09-24 14:55:32,635 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 14:55:32,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-09-24 14:55:32,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e8c1eb68/a9a5efb9082e4c129c2c0a606dea764d/FLAGbd268d711 [2020-09-24 14:55:32,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e8c1eb68/a9a5efb9082e4c129c2c0a606dea764d [2020-09-24 14:55:32,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 14:55:33,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 14:55:33,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 14:55:33,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 14:55:33,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 14:55:33,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:55:32" (1/1) ... [2020-09-24 14:55:33,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2dfc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33, skipping insertion in model container [2020-09-24 14:55:33,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:55:32" (1/1) ... [2020-09-24 14:55:33,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 14:55:33,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 14:55:33,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:55:33,284 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 14:55:33,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:55:33,320 INFO L208 MainTranslator]: Completed translation [2020-09-24 14:55:33,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33 WrapperNode [2020-09-24 14:55:33,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 14:55:33,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 14:55:33,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 14:55:33,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 14:55:33,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... [2020-09-24 14:55:33,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 14:55:33,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 14:55:33,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 14:55:33,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 14:55:33,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:55:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 14:55:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 14:55:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-24 14:55:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-24 14:55:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 14:55:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 14:55:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 14:55:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-24 14:55:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-24 14:55:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 14:55:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 14:55:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 14:55:33,758 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 14:55:33,759 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 14:55:33,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:55:33 BoogieIcfgContainer [2020-09-24 14:55:33,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 14:55:33,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 14:55:33,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 14:55:33,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 14:55:33,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:55:32" (1/3) ... [2020-09-24 14:55:33,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e95fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:55:33, skipping insertion in model container [2020-09-24 14:55:33,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:33" (2/3) ... [2020-09-24 14:55:33,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e95fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:55:33, skipping insertion in model container [2020-09-24 14:55:33,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:55:33" (3/3) ... [2020-09-24 14:55:33,775 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2020-09-24 14:55:33,787 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 14:55:33,798 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 14:55:33,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 14:55:33,869 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 14:55:33,869 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 14:55:33,870 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 14:55:33,870 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 14:55:33,871 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 14:55:33,871 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 14:55:33,871 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 14:55:33,871 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 14:55:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-24 14:55:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 14:55:33,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:33,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:33,912 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:33,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:33,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-09-24 14:55:33,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:33,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61364236] [2020-09-24 14:55:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:55:34,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61364236] [2020-09-24 14:55:34,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:55:34,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:55:34,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847281228] [2020-09-24 14:55:34,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:55:34,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:34,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:55:34,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:55:34,226 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-09-24 14:55:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:34,353 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-09-24 14:55:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:55:34,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 14:55:34,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:34,370 INFO L225 Difference]: With dead ends: 58 [2020-09-24 14:55:34,370 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 14:55:34,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 14:55:34,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 14:55:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 14:55:34,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 14:55:34,445 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-09-24 14:55:34,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:34,445 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 14:55:34,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:55:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 14:55:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 14:55:34,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:34,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:34,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 14:55:34,450 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:34,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:34,450 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-09-24 14:55:34,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:34,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044180720] [2020-09-24 14:55:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:55:34,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044180720] [2020-09-24 14:55:34,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:55:34,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:55:34,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748641090] [2020-09-24 14:55:34,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:55:34,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:34,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:55:34,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:55:34,528 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-09-24 14:55:34,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:34,602 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-09-24 14:55:34,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:55:34,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-24 14:55:34,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:34,606 INFO L225 Difference]: With dead ends: 50 [2020-09-24 14:55:34,606 INFO L226 Difference]: Without dead ends: 44 [2020-09-24 14:55:34,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:34,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-24 14:55:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-09-24 14:55:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 14:55:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 14:55:34,619 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-09-24 14:55:34,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:34,620 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 14:55:34,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:55:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 14:55:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 14:55:34,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:34,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:34,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 14:55:34,624 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:34,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:34,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-09-24 14:55:34,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:34,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569108668] [2020-09-24 14:55:34,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:55:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 14:55:34,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569108668] [2020-09-24 14:55:34,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:34,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 14:55:34,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990473532] [2020-09-24 14:55:34,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 14:55:34,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:34,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 14:55:34,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:34,771 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-09-24 14:55:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:34,886 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-09-24 14:55:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 14:55:34,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-24 14:55:34,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:34,889 INFO L225 Difference]: With dead ends: 82 [2020-09-24 14:55:34,889 INFO L226 Difference]: Without dead ends: 46 [2020-09-24 14:55:34,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-24 14:55:34,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-24 14:55:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-24 14:55:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-09-24 14:55:34,901 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-09-24 14:55:34,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:34,902 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-09-24 14:55:34,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 14:55:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-09-24 14:55:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 14:55:34,904 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:34,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:34,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 14:55:34,905 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-09-24 14:55:34,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:34,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667842634] [2020-09-24 14:55:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 14:55:35,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667842634] [2020-09-24 14:55:35,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:35,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 14:55:35,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857252084] [2020-09-24 14:55:35,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 14:55:35,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:35,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 14:55:35,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:35,081 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-09-24 14:55:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:35,356 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-09-24 14:55:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 14:55:35,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-09-24 14:55:35,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:35,361 INFO L225 Difference]: With dead ends: 74 [2020-09-24 14:55:35,361 INFO L226 Difference]: Without dead ends: 68 [2020-09-24 14:55:35,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 14:55:35,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-24 14:55:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-09-24 14:55:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 14:55:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-09-24 14:55:35,393 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-09-24 14:55:35,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:35,393 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-09-24 14:55:35,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 14:55:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-09-24 14:55:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 14:55:35,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:35,400 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:35,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 14:55:35,400 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:35,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:35,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-09-24 14:55:35,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:35,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1828872541] [2020-09-24 14:55:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:55:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 14:55:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:55:35,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1828872541] [2020-09-24 14:55:35,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:35,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 14:55:35,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143710435] [2020-09-24 14:55:35,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 14:55:35,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:35,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 14:55:35,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:35,524 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-09-24 14:55:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:35,599 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-09-24 14:55:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 14:55:35,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-24 14:55:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:35,602 INFO L225 Difference]: With dead ends: 130 [2020-09-24 14:55:35,602 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 14:55:35,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:35,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 14:55:35,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 14:55:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 14:55:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-09-24 14:55:35,617 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-09-24 14:55:35,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:35,618 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-09-24 14:55:35,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 14:55:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-09-24 14:55:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 14:55:35,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:35,621 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:35,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 14:55:35,622 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:35,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:35,622 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-09-24 14:55:35,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:35,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097147661] [2020-09-24 14:55:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 14:55:35,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097147661] [2020-09-24 14:55:35,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:35,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:35,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588053701] [2020-09-24 14:55:35,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:35,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:35,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:35,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:35,863 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-09-24 14:55:35,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:35,979 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-09-24 14:55:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 14:55:35,980 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-24 14:55:35,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:35,982 INFO L225 Difference]: With dead ends: 142 [2020-09-24 14:55:35,982 INFO L226 Difference]: Without dead ends: 78 [2020-09-24 14:55:35,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:35,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-24 14:55:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-09-24 14:55:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 14:55:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-09-24 14:55:35,997 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-09-24 14:55:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:35,997 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-09-24 14:55:35,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-09-24 14:55:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 14:55:36,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:36,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:36,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 14:55:36,001 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:36,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:36,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-09-24 14:55:36,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:36,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238405190] [2020-09-24 14:55:36,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:55:36,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238405190] [2020-09-24 14:55:36,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:36,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:36,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353421683] [2020-09-24 14:55:36,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:36,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:36,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:36,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:36,126 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-09-24 14:55:36,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:36,335 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-09-24 14:55:36,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 14:55:36,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-24 14:55:36,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:36,339 INFO L225 Difference]: With dead ends: 118 [2020-09-24 14:55:36,339 INFO L226 Difference]: Without dead ends: 112 [2020-09-24 14:55:36,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:55:36,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-09-24 14:55:36,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-09-24 14:55:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-24 14:55:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-09-24 14:55:36,358 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-09-24 14:55:36,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:36,359 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-09-24 14:55:36,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-09-24 14:55:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 14:55:36,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:36,362 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:36,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 14:55:36,362 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-09-24 14:55:36,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:36,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671333541] [2020-09-24 14:55:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 14:55:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 14:55:36,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671333541] [2020-09-24 14:55:36,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:36,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:36,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745095983] [2020-09-24 14:55:36,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:36,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:36,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:36,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:36,516 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-09-24 14:55:36,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:36,645 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-09-24 14:55:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 14:55:36,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-24 14:55:36,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:36,648 INFO L225 Difference]: With dead ends: 227 [2020-09-24 14:55:36,648 INFO L226 Difference]: Without dead ends: 127 [2020-09-24 14:55:36,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-09-24 14:55:36,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-09-24 14:55:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-24 14:55:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-09-24 14:55:36,667 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-09-24 14:55:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:36,668 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-09-24 14:55:36,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-09-24 14:55:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-24 14:55:36,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:36,671 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:36,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 14:55:36,671 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:36,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:36,671 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-09-24 14:55:36,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:36,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962433608] [2020-09-24 14:55:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 14:55:36,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962433608] [2020-09-24 14:55:36,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:36,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:36,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286018006] [2020-09-24 14:55:36,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:36,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:36,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:36,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:36,907 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-09-24 14:55:37,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:37,153 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-09-24 14:55:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 14:55:37,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-09-24 14:55:37,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:37,156 INFO L225 Difference]: With dead ends: 257 [2020-09-24 14:55:37,157 INFO L226 Difference]: Without dead ends: 151 [2020-09-24 14:55:37,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:55:37,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-24 14:55:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-09-24 14:55:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-24 14:55:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-09-24 14:55:37,192 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-09-24 14:55:37,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:37,192 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-09-24 14:55:37,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-09-24 14:55:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 14:55:37,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:37,195 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:37,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 14:55:37,196 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:37,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:37,196 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-09-24 14:55:37,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:37,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483847575] [2020-09-24 14:55:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-09-24 14:55:37,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483847575] [2020-09-24 14:55:37,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:37,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 14:55:37,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861398650] [2020-09-24 14:55:37,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 14:55:37,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:37,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 14:55:37,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:55:37,529 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-09-24 14:55:37,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:37,935 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-09-24 14:55:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 14:55:37,936 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-09-24 14:55:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:37,940 INFO L225 Difference]: With dead ends: 265 [2020-09-24 14:55:37,941 INFO L226 Difference]: Without dead ends: 116 [2020-09-24 14:55:37,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-09-24 14:55:37,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-09-24 14:55:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-09-24 14:55:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-24 14:55:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-09-24 14:55:37,969 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-09-24 14:55:37,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:37,970 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-09-24 14:55:37,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 14:55:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-09-24 14:55:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 14:55:37,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:37,972 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:37,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 14:55:37,973 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:37,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:37,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1352793328, now seen corresponding path program 2 times [2020-09-24 14:55:37,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:37,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610759197] [2020-09-24 14:55:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 14:55:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 45 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-09-24 14:55:38,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610759197] [2020-09-24 14:55:38,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:38,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:38,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251597704] [2020-09-24 14:55:38,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:38,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:38,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:38,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:38,197 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-09-24 14:55:38,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:38,432 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-09-24 14:55:38,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 14:55:38,433 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-09-24 14:55:38,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:38,435 INFO L225 Difference]: With dead ends: 193 [2020-09-24 14:55:38,435 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 14:55:38,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:55:38,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 14:55:38,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-09-24 14:55:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 14:55:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-09-24 14:55:38,446 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 105 [2020-09-24 14:55:38,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:38,446 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-09-24 14:55:38,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-09-24 14:55:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-24 14:55:38,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:38,448 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:38,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 14:55:38,449 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 1 times [2020-09-24 14:55:38,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:38,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340077462] [2020-09-24 14:55:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-09-24 14:55:38,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340077462] [2020-09-24 14:55:38,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:38,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:38,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905334810] [2020-09-24 14:55:38,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:38,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:38,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:38,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:38,755 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 10 states. [2020-09-24 14:55:39,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:39,013 INFO L93 Difference]: Finished difference Result 214 states and 288 transitions. [2020-09-24 14:55:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 14:55:39,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-09-24 14:55:39,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:39,016 INFO L225 Difference]: With dead ends: 214 [2020-09-24 14:55:39,017 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 14:55:39,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-09-24 14:55:39,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 14:55:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2020-09-24 14:55:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 14:55:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 256 transitions. [2020-09-24 14:55:39,048 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 256 transitions. Word has length 140 [2020-09-24 14:55:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:39,049 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 256 transitions. [2020-09-24 14:55:39,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 256 transitions. [2020-09-24 14:55:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 14:55:39,056 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:39,056 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 10, 10, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:39,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 14:55:39,057 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:39,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:39,058 INFO L82 PathProgramCache]: Analyzing trace with hash 239143290, now seen corresponding path program 2 times [2020-09-24 14:55:39,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:39,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039082204] [2020-09-24 14:55:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 14:55:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 14:55:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 181 proven. 247 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2020-09-24 14:55:39,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039082204] [2020-09-24 14:55:39,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:39,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 14:55:39,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665424865] [2020-09-24 14:55:39,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 14:55:39,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:39,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 14:55:39,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 14:55:39,709 INFO L87 Difference]: Start difference. First operand 189 states and 256 transitions. Second operand 15 states. [2020-09-24 14:55:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:40,449 INFO L93 Difference]: Finished difference Result 454 states and 698 transitions. [2020-09-24 14:55:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 14:55:40,450 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 211 [2020-09-24 14:55:40,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:40,457 INFO L225 Difference]: With dead ends: 454 [2020-09-24 14:55:40,458 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 14:55:40,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2020-09-24 14:55:40,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 14:55:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 249. [2020-09-24 14:55:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 14:55:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 352 transitions. [2020-09-24 14:55:40,507 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 352 transitions. Word has length 211 [2020-09-24 14:55:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:40,508 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 352 transitions. [2020-09-24 14:55:40,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 14:55:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 352 transitions. [2020-09-24 14:55:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 14:55:40,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:40,513 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:40,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 14:55:40,513 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:40,514 INFO L82 PathProgramCache]: Analyzing trace with hash 532943989, now seen corresponding path program 3 times [2020-09-24 14:55:40,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:40,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398777] [2020-09-24 14:55:40,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 14:55:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 137 proven. 101 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-09-24 14:55:40,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398777] [2020-09-24 14:55:40,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:40,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 14:55:40,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225914476] [2020-09-24 14:55:40,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 14:55:40,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:40,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 14:55:40,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:55:40,954 INFO L87 Difference]: Start difference. First operand 249 states and 352 transitions. Second operand 11 states. [2020-09-24 14:55:41,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:41,270 INFO L93 Difference]: Finished difference Result 522 states and 789 transitions. [2020-09-24 14:55:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 14:55:41,271 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2020-09-24 14:55:41,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:41,276 INFO L225 Difference]: With dead ends: 522 [2020-09-24 14:55:41,277 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 14:55:41,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-24 14:55:41,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 14:55:41,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-24 14:55:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-24 14:55:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 408 transitions. [2020-09-24 14:55:41,330 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 408 transitions. Word has length 175 [2020-09-24 14:55:41,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:41,331 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 408 transitions. [2020-09-24 14:55:41,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 14:55:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 408 transitions. [2020-09-24 14:55:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-24 14:55:41,337 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:41,337 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:41,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 14:55:41,338 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:41,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:41,338 INFO L82 PathProgramCache]: Analyzing trace with hash -2113087688, now seen corresponding path program 4 times [2020-09-24 14:55:41,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:41,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034118747] [2020-09-24 14:55:41,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 261 proven. 446 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-09-24 14:55:42,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034118747] [2020-09-24 14:55:42,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:42,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 14:55:42,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938745310] [2020-09-24 14:55:42,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 14:55:42,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:42,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 14:55:42,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 14:55:42,246 INFO L87 Difference]: Start difference. First operand 283 states and 408 transitions. Second operand 16 states. [2020-09-24 14:55:43,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:43,397 INFO L93 Difference]: Finished difference Result 550 states and 860 transitions. [2020-09-24 14:55:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-24 14:55:43,398 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 281 [2020-09-24 14:55:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:43,405 INFO L225 Difference]: With dead ends: 550 [2020-09-24 14:55:43,406 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 14:55:43,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 14:55:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 14:55:43,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 181. [2020-09-24 14:55:43,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 14:55:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2020-09-24 14:55:43,441 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 281 [2020-09-24 14:55:43,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:43,442 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2020-09-24 14:55:43,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 14:55:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2020-09-24 14:55:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-24 14:55:43,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:43,457 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:43,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 14:55:43,458 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:43,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1898384370, now seen corresponding path program 5 times [2020-09-24 14:55:43,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:43,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607577363] [2020-09-24 14:55:43,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 14:55:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 332 proven. 608 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2020-09-24 14:55:44,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607577363] [2020-09-24 14:55:44,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:44,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 14:55:44,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740500267] [2020-09-24 14:55:44,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 14:55:44,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:44,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 14:55:44,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:55:44,592 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand 14 states. [2020-09-24 14:55:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:45,071 INFO L93 Difference]: Finished difference Result 335 states and 458 transitions. [2020-09-24 14:55:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 14:55:45,071 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 369 [2020-09-24 14:55:45,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:45,075 INFO L225 Difference]: With dead ends: 335 [2020-09-24 14:55:45,075 INFO L226 Difference]: Without dead ends: 161 [2020-09-24 14:55:45,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-09-24 14:55:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-24 14:55:45,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2020-09-24 14:55:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 14:55:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 191 transitions. [2020-09-24 14:55:45,088 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 191 transitions. Word has length 369 [2020-09-24 14:55:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:45,089 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 191 transitions. [2020-09-24 14:55:45,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 14:55:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 191 transitions. [2020-09-24 14:55:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-24 14:55:45,095 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:45,095 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:45,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 14:55:45,095 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:45,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:45,097 INFO L82 PathProgramCache]: Analyzing trace with hash 549243331, now seen corresponding path program 6 times [2020-09-24 14:55:45,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:45,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39073945] [2020-09-24 14:55:45,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 130 proven. 672 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2020-09-24 14:55:46,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39073945] [2020-09-24 14:55:46,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:46,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 14:55:46,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519661381] [2020-09-24 14:55:46,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 14:55:46,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:46,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 14:55:46,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:55:46,203 INFO L87 Difference]: Start difference. First operand 153 states and 191 transitions. Second operand 12 states. [2020-09-24 14:55:46,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:46,581 INFO L93 Difference]: Finished difference Result 376 states and 522 transitions. [2020-09-24 14:55:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 14:55:46,582 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 369 [2020-09-24 14:55:46,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:46,591 INFO L225 Difference]: With dead ends: 376 [2020-09-24 14:55:46,591 INFO L226 Difference]: Without dead ends: 370 [2020-09-24 14:55:46,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-09-24 14:55:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-09-24 14:55:46,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 333. [2020-09-24 14:55:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-09-24 14:55:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 461 transitions. [2020-09-24 14:55:46,616 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 461 transitions. Word has length 369 [2020-09-24 14:55:46,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:46,617 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 461 transitions. [2020-09-24 14:55:46,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 14:55:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 461 transitions. [2020-09-24 14:55:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2020-09-24 14:55:46,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:46,631 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 9, 9, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:46,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 14:55:46,632 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:46,632 INFO L82 PathProgramCache]: Analyzing trace with hash -444779053, now seen corresponding path program 7 times [2020-09-24 14:55:46,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:46,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943175835] [2020-09-24 14:55:46,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-24 14:55:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5757 backedges. 560 proven. 1270 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2020-09-24 14:55:48,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943175835] [2020-09-24 14:55:48,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:48,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 14:55:48,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192354307] [2020-09-24 14:55:48,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 14:55:48,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:48,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 14:55:48,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 14:55:48,371 INFO L87 Difference]: Start difference. First operand 333 states and 461 transitions. Second operand 16 states. [2020-09-24 14:55:49,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:49,026 INFO L93 Difference]: Finished difference Result 751 states and 1127 transitions. [2020-09-24 14:55:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 14:55:49,026 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 545 [2020-09-24 14:55:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:49,033 INFO L225 Difference]: With dead ends: 751 [2020-09-24 14:55:49,033 INFO L226 Difference]: Without dead ends: 432 [2020-09-24 14:55:49,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-09-24 14:55:49,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-09-24 14:55:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 401. [2020-09-24 14:55:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-09-24 14:55:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 552 transitions. [2020-09-24 14:55:49,066 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 552 transitions. Word has length 545 [2020-09-24 14:55:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:49,067 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 552 transitions. [2020-09-24 14:55:49,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 14:55:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 552 transitions. [2020-09-24 14:55:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-09-24 14:55:49,072 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:49,073 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 32, 32, 27, 27, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 10, 10, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:49,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 14:55:49,073 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:49,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:49,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1058675901, now seen corresponding path program 8 times [2020-09-24 14:55:49,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:49,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693492238] [2020-09-24 14:55:49,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-24 14:55:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:50,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6996 backedges. 747 proven. 1629 refuted. 0 times theorem prover too weak. 4620 trivial. 0 not checked. [2020-09-24 14:55:51,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693492238] [2020-09-24 14:55:51,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:51,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 14:55:51,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197952018] [2020-09-24 14:55:51,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 14:55:51,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:51,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 14:55:51,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-24 14:55:51,216 INFO L87 Difference]: Start difference. First operand 401 states and 552 transitions. Second operand 18 states. [2020-09-24 14:55:52,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:52,565 INFO L93 Difference]: Finished difference Result 941 states and 1446 transitions. [2020-09-24 14:55:52,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-24 14:55:52,566 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 598 [2020-09-24 14:55:52,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:52,575 INFO L225 Difference]: With dead ends: 941 [2020-09-24 14:55:52,575 INFO L226 Difference]: Without dead ends: 544 [2020-09-24 14:55:52,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 14:55:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-09-24 14:55:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 457. [2020-09-24 14:55:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-24 14:55:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 619 transitions. [2020-09-24 14:55:52,622 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 619 transitions. Word has length 598 [2020-09-24 14:55:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:52,623 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 619 transitions. [2020-09-24 14:55:52,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 14:55:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 619 transitions. [2020-09-24 14:55:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-09-24 14:55:52,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:52,631 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 13, 10, 10, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:52,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 14:55:52,631 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:52,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:52,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2032720771, now seen corresponding path program 9 times [2020-09-24 14:55:52,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:52,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318411368] [2020-09-24 14:55:52,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:52,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:55:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8348 backedges. 1712 proven. 1706 refuted. 0 times theorem prover too weak. 4930 trivial. 0 not checked. [2020-09-24 14:55:54,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318411368] [2020-09-24 14:55:54,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:54,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 14:55:54,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731949776] [2020-09-24 14:55:54,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 14:55:54,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:54,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 14:55:54,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-09-24 14:55:54,936 INFO L87 Difference]: Start difference. First operand 457 states and 619 transitions. Second operand 24 states. [2020-09-24 14:55:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:56,792 INFO L93 Difference]: Finished difference Result 806 states and 1229 transitions. [2020-09-24 14:55:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-24 14:55:56,792 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 651 [2020-09-24 14:55:56,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:56,799 INFO L225 Difference]: With dead ends: 806 [2020-09-24 14:55:56,799 INFO L226 Difference]: Without dead ends: 366 [2020-09-24 14:55:56,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-09-24 14:55:56,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-09-24 14:55:56,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 305. [2020-09-24 14:55:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-24 14:55:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 416 transitions. [2020-09-24 14:55:56,837 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 416 transitions. Word has length 651 [2020-09-24 14:55:56,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:56,838 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 416 transitions. [2020-09-24 14:55:56,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 14:55:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 416 transitions. [2020-09-24 14:55:56,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-09-24 14:55:56,860 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:56,860 INFO L422 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 22, 22, 20, 20, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:56,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 14:55:56,861 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:56,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:56,862 INFO L82 PathProgramCache]: Analyzing trace with hash 678881567, now seen corresponding path program 10 times [2020-09-24 14:55:56,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:56,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115258862] [2020-09-24 14:55:56,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:55:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:55:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-09-24 14:56:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 29072 backedges. 2639 proven. 5105 refuted. 0 times theorem prover too weak. 21328 trivial. 0 not checked. [2020-09-24 14:56:01,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115258862] [2020-09-24 14:56:01,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:01,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 14:56:01,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054790121] [2020-09-24 14:56:01,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 14:56:01,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:01,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 14:56:01,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-09-24 14:56:01,799 INFO L87 Difference]: Start difference. First operand 305 states and 416 transitions. Second operand 20 states. [2020-09-24 14:56:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:03,438 INFO L93 Difference]: Finished difference Result 599 states and 939 transitions. [2020-09-24 14:56:03,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-24 14:56:03,438 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1197 [2020-09-24 14:56:03,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:03,443 INFO L225 Difference]: With dead ends: 599 [2020-09-24 14:56:03,443 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 14:56:03,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=379, Invalid=2483, Unknown=0, NotChecked=0, Total=2862 [2020-09-24 14:56:03,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 14:56:03,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 267. [2020-09-24 14:56:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-24 14:56:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2020-09-24 14:56:03,465 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 1197 [2020-09-24 14:56:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:03,466 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2020-09-24 14:56:03,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 14:56:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2020-09-24 14:56:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-09-24 14:56:03,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:03,477 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 17, 17, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:03,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 14:56:03,478 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:03,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:03,478 INFO L82 PathProgramCache]: Analyzing trace with hash -691827875, now seen corresponding path program 11 times [2020-09-24 14:56:03,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:03,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572576079] [2020-09-24 14:56:03,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 18842 backedges. 472 proven. 2641 refuted. 0 times theorem prover too weak. 15729 trivial. 0 not checked. [2020-09-24 14:56:06,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572576079] [2020-09-24 14:56:06,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:06,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 14:56:06,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058075651] [2020-09-24 14:56:06,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 14:56:06,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:06,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 14:56:06,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:56:06,776 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand 14 states. [2020-09-24 14:56:07,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:07,288 INFO L93 Difference]: Finished difference Result 789 states and 1183 transitions. [2020-09-24 14:56:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 14:56:07,288 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 968 [2020-09-24 14:56:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:07,300 INFO L225 Difference]: With dead ends: 789 [2020-09-24 14:56:07,300 INFO L226 Difference]: Without dead ends: 783 [2020-09-24 14:56:07,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-09-24 14:56:07,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-24 14:56:07,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 734. [2020-09-24 14:56:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-24 14:56:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1101 transitions. [2020-09-24 14:56:07,352 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1101 transitions. Word has length 968 [2020-09-24 14:56:07,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:07,353 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1101 transitions. [2020-09-24 14:56:07,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 14:56:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1101 transitions. [2020-09-24 14:56:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1674 [2020-09-24 14:56:07,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:07,380 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 77, 76, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 30, 30, 29, 29, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:07,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 14:56:07,380 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:07,381 INFO L82 PathProgramCache]: Analyzing trace with hash 372244763, now seen corresponding path program 12 times [2020-09-24 14:56:07,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:07,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949117473] [2020-09-24 14:56:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:09,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2020-09-24 14:56:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 57401 backedges. 1630 proven. 6484 refuted. 0 times theorem prover too weak. 49287 trivial. 0 not checked. [2020-09-24 14:56:13,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949117473] [2020-09-24 14:56:13,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:13,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 14:56:13,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410860759] [2020-09-24 14:56:13,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 14:56:13,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:13,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 14:56:13,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-24 14:56:13,557 INFO L87 Difference]: Start difference. First operand 734 states and 1101 transitions. Second operand 18 states. [2020-09-24 14:56:14,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:14,678 INFO L93 Difference]: Finished difference Result 1479 states and 2292 transitions. [2020-09-24 14:56:14,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 14:56:14,678 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1673 [2020-09-24 14:56:14,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:14,689 INFO L225 Difference]: With dead ends: 1479 [2020-09-24 14:56:14,689 INFO L226 Difference]: Without dead ends: 763 [2020-09-24 14:56:14,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 14:56:14,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-09-24 14:56:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 649. [2020-09-24 14:56:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-09-24 14:56:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 901 transitions. [2020-09-24 14:56:14,735 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 901 transitions. Word has length 1673 [2020-09-24 14:56:14,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:14,736 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 901 transitions. [2020-09-24 14:56:14,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 14:56:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 901 transitions. [2020-09-24 14:56:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2020-09-24 14:56:14,762 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:14,763 INFO L422 BasicCegarLoop]: trace histogram [98, 98, 95, 95, 78, 78, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 31, 31, 29, 29, 20, 20, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:14,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 14:56:14,763 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:14,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:14,764 INFO L82 PathProgramCache]: Analyzing trace with hash -739879393, now seen corresponding path program 13 times [2020-09-24 14:56:14,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:14,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080312283] [2020-09-24 14:56:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:16,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:16,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:17,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:18,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2020-09-24 14:56:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 59874 backedges. 3248 proven. 6466 refuted. 0 times theorem prover too weak. 50160 trivial. 0 not checked. [2020-09-24 14:56:22,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080312283] [2020-09-24 14:56:22,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:22,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 14:56:22,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001693043] [2020-09-24 14:56:22,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 14:56:22,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:22,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 14:56:22,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2020-09-24 14:56:22,024 INFO L87 Difference]: Start difference. First operand 649 states and 901 transitions. Second operand 21 states. [2020-09-24 14:56:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:23,872 INFO L93 Difference]: Finished difference Result 1689 states and 2724 transitions. [2020-09-24 14:56:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-24 14:56:23,872 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1708 [2020-09-24 14:56:23,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:23,887 INFO L225 Difference]: With dead ends: 1689 [2020-09-24 14:56:23,887 INFO L226 Difference]: Without dead ends: 1045 [2020-09-24 14:56:23,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=416, Invalid=2776, Unknown=0, NotChecked=0, Total=3192 [2020-09-24 14:56:23,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-09-24 14:56:23,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 858. [2020-09-24 14:56:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-09-24 14:56:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1295 transitions. [2020-09-24 14:56:23,956 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1295 transitions. Word has length 1708 [2020-09-24 14:56:23,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:23,957 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 1295 transitions. [2020-09-24 14:56:23,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 14:56:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1295 transitions. [2020-09-24 14:56:23,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-09-24 14:56:23,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:23,994 INFO L422 BasicCegarLoop]: trace histogram [112, 112, 107, 107, 89, 88, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 36, 36, 32, 32, 23, 23, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:23,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-24 14:56:23,994 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:23,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:23,995 INFO L82 PathProgramCache]: Analyzing trace with hash 180265717, now seen corresponding path program 14 times [2020-09-24 14:56:23,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:23,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633126714] [2020-09-24 14:56:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat