/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/recHanoi01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:48:48,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:48:48,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:48:48,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 03:48:48,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 03:48:48,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 03:48:48,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 03:48:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 03:48:48,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 03:48:48,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 03:48:48,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 03:48:48,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 03:48:48,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:48:48,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:48:48,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:48:48,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:48:48,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:48:48,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:48:48,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:48:48,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:48:48,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:48:48,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:48:48,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:48:48,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:48:48,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 03:48:48,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 03:48:48,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 03:48:48,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 03:48:48,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 03:48:48,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-22 03:48:48,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:48:48,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:48:48,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:48:48,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 03:48:48,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:48:48,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:48:48,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:48:48,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:48:48,304 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:48:48,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:48:48,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:48:48,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:48:48,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:48:48,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:48:48,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:48:48,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:48:48,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:48:48,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:48:48,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:48:48,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:48:48,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:48:48,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:48:48,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:48:48,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:48:48,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:48:48,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:48:48,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:48:48,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:48:48,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:48:48,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:48:48,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:48:48,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:48:48,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:48:48,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-22 03:48:48,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:48:48,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:48:48,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:48:48,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:48:48,627 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:48:48,628 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-22 03:48:48,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e88b6b6/219fad059ebc495fa3c60ead826ee3a9/FLAG531b9b79c [2020-08-22 03:48:49,151 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:48:49,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-22 03:48:49,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e88b6b6/219fad059ebc495fa3c60ead826ee3a9/FLAG531b9b79c [2020-08-22 03:48:49,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e88b6b6/219fad059ebc495fa3c60ead826ee3a9 [2020-08-22 03:48:49,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:48:49,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:48:49,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:48:49,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:48:49,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:48:49,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5335cf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49, skipping insertion in model container [2020-08-22 03:48:49,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:48:49,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:48:49,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:48:49,756 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:48:49,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:48:49,792 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:48:49,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49 WrapperNode [2020-08-22 03:48:49,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:48:49,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:48:49,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:48:49,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:48:49,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... [2020-08-22 03:48:49,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:48:49,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:48:49,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:48:49,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:48:49,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:48:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:48:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:48:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-08-22 03:48:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2020-08-22 03:48:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:48:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:48:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 03:48:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-08-22 03:48:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2020-08-22 03:48:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:48:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:48:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:48:50,201 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:48:50,202 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 03:48:50,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:48:50 BoogieIcfgContainer [2020-08-22 03:48:50,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:48:50,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:48:50,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:48:50,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:48:50,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:48:49" (1/3) ... [2020-08-22 03:48:50,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7520dc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:48:50, skipping insertion in model container [2020-08-22 03:48:50,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:48:49" (2/3) ... [2020-08-22 03:48:50,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7520dc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:48:50, skipping insertion in model container [2020-08-22 03:48:50,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:48:50" (3/3) ... [2020-08-22 03:48:50,215 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2020-08-22 03:48:50,225 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:48:50,232 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:48:50,248 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:48:50,298 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:48:50,298 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:48:50,298 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:48:50,299 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:48:50,299 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:48:50,299 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:48:50,299 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:48:50,300 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:48:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-08-22 03:48:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 03:48:50,336 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:50,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:50,338 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:50,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:50,346 INFO L82 PathProgramCache]: Analyzing trace with hash -629617454, now seen corresponding path program 1 times [2020-08-22 03:48:50,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:50,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858732960] [2020-08-22 03:48:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:48:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:48:50,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858732960] [2020-08-22 03:48:50,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:48:50,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 03:48:50,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364229877] [2020-08-22 03:48:50,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 03:48:50,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:50,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 03:48:50,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 03:48:50,668 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-08-22 03:48:50,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:50,842 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-08-22 03:48:50,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 03:48:50,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-08-22 03:48:50,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:50,856 INFO L225 Difference]: With dead ends: 48 [2020-08-22 03:48:50,856 INFO L226 Difference]: Without dead ends: 27 [2020-08-22 03:48:50,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:48:50,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-08-22 03:48:50,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-08-22 03:48:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-08-22 03:48:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-08-22 03:48:50,913 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 20 [2020-08-22 03:48:50,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:50,914 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-08-22 03:48:50,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 03:48:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-08-22 03:48:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-22 03:48:50,917 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:50,917 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:50,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 03:48:50,918 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:50,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:50,919 INFO L82 PathProgramCache]: Analyzing trace with hash 223523063, now seen corresponding path program 1 times [2020-08-22 03:48:50,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:50,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418695230] [2020-08-22 03:48:50,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:48:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-22 03:48:51,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418695230] [2020-08-22 03:48:51,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:51,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 03:48:51,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031352091] [2020-08-22 03:48:51,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:48:51,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:51,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:48:51,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:48:51,291 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 10 states. [2020-08-22 03:48:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:51,691 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2020-08-22 03:48:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 03:48:51,692 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-08-22 03:48:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:51,695 INFO L225 Difference]: With dead ends: 61 [2020-08-22 03:48:51,695 INFO L226 Difference]: Without dead ends: 55 [2020-08-22 03:48:51,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-08-22 03:48:51,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-22 03:48:51,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-08-22 03:48:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-08-22 03:48:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 66 transitions. [2020-08-22 03:48:51,715 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 66 transitions. Word has length 30 [2020-08-22 03:48:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:51,716 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 66 transitions. [2020-08-22 03:48:51,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:48:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2020-08-22 03:48:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 03:48:51,719 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:51,719 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:51,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 03:48:51,719 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:51,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:51,720 INFO L82 PathProgramCache]: Analyzing trace with hash 640231516, now seen corresponding path program 2 times [2020-08-22 03:48:51,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:51,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850141231] [2020-08-22 03:48:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 03:48:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 03:48:51,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850141231] [2020-08-22 03:48:51,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:51,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 03:48:51,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771492983] [2020-08-22 03:48:51,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 03:48:51,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:51,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 03:48:51,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:48:51,868 INFO L87 Difference]: Start difference. First operand 49 states and 66 transitions. Second operand 7 states. [2020-08-22 03:48:52,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:52,028 INFO L93 Difference]: Finished difference Result 77 states and 111 transitions. [2020-08-22 03:48:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 03:48:52,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-08-22 03:48:52,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:52,031 INFO L225 Difference]: With dead ends: 77 [2020-08-22 03:48:52,031 INFO L226 Difference]: Without dead ends: 55 [2020-08-22 03:48:52,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:48:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-22 03:48:52,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2020-08-22 03:48:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-22 03:48:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2020-08-22 03:48:52,049 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 40 [2020-08-22 03:48:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:52,049 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2020-08-22 03:48:52,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 03:48:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2020-08-22 03:48:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-22 03:48:52,052 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:52,052 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] [2020-08-22 03:48:52,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 03:48:52,053 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:52,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:52,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1772916587, now seen corresponding path program 1 times [2020-08-22 03:48:52,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:52,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768434996] [2020-08-22 03:48:52,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:48:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 03:48:52,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768434996] [2020-08-22 03:48:52,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:52,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 03:48:52,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492360940] [2020-08-22 03:48:52,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:48:52,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:52,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:48:52,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:48:52,224 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 10 states. [2020-08-22 03:48:52,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:52,518 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2020-08-22 03:48:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 03:48:52,518 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-08-22 03:48:52,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:52,521 INFO L225 Difference]: With dead ends: 66 [2020-08-22 03:48:52,521 INFO L226 Difference]: Without dead ends: 46 [2020-08-22 03:48:52,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-08-22 03:48:52,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-22 03:48:52,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-08-22 03:48:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-22 03:48:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-08-22 03:48:52,536 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 36 [2020-08-22 03:48:52,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:52,536 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-08-22 03:48:52,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:48:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-08-22 03:48:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 03:48:52,538 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:52,538 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:52,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 03:48:52,539 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:52,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:52,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1240446734, now seen corresponding path program 3 times [2020-08-22 03:48:52,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:52,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141118658] [2020-08-22 03:48:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 03:48:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 03:48:52,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141118658] [2020-08-22 03:48:52,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:52,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 03:48:52,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073398686] [2020-08-22 03:48:52,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:48:52,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:52,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:48:52,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:48:52,690 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-08-22 03:48:52,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:52,938 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-08-22 03:48:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 03:48:52,938 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-08-22 03:48:52,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:52,940 INFO L225 Difference]: With dead ends: 71 [2020-08-22 03:48:52,940 INFO L226 Difference]: Without dead ends: 42 [2020-08-22 03:48:52,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-08-22 03:48:52,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-08-22 03:48:52,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-08-22 03:48:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-22 03:48:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2020-08-22 03:48:52,950 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 40 [2020-08-22 03:48:52,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:52,950 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2020-08-22 03:48:52,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:48:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2020-08-22 03:48:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 03:48:52,952 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:52,953 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:52,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 03:48:52,953 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:52,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:52,954 INFO L82 PathProgramCache]: Analyzing trace with hash -979408629, now seen corresponding path program 2 times [2020-08-22 03:48:52,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:52,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110206574] [2020-08-22 03:48:52,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 03:48:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-08-22 03:48:53,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110206574] [2020-08-22 03:48:53,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:53,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 03:48:53,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646071407] [2020-08-22 03:48:53,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 03:48:53,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:53,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 03:48:53,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-08-22 03:48:53,242 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand 13 states. [2020-08-22 03:48:53,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:53,600 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2020-08-22 03:48:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 03:48:53,601 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-08-22 03:48:53,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:53,603 INFO L225 Difference]: With dead ends: 65 [2020-08-22 03:48:53,603 INFO L226 Difference]: Without dead ends: 61 [2020-08-22 03:48:53,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2020-08-22 03:48:53,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-22 03:48:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-08-22 03:48:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-22 03:48:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-22 03:48:53,616 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 56 [2020-08-22 03:48:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:53,617 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-22 03:48:53,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 03:48:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-22 03:48:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-22 03:48:53,619 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:53,619 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:53,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 03:48:53,619 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:53,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:53,620 INFO L82 PathProgramCache]: Analyzing trace with hash -83361749, now seen corresponding path program 3 times [2020-08-22 03:48:53,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:53,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744112396] [2020-08-22 03:48:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 03:48:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-22 03:48:53,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744112396] [2020-08-22 03:48:53,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:53,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 03:48:53,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647178690] [2020-08-22 03:48:53,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:48:53,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:53,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:48:53,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:48:53,808 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 9 states. [2020-08-22 03:48:54,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:54,158 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2020-08-22 03:48:54,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 03:48:54,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-22 03:48:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:54,160 INFO L225 Difference]: With dead ends: 95 [2020-08-22 03:48:54,160 INFO L226 Difference]: Without dead ends: 64 [2020-08-22 03:48:54,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-08-22 03:48:54,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-08-22 03:48:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2020-08-22 03:48:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-08-22 03:48:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-08-22 03:48:54,174 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 76 [2020-08-22 03:48:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:54,174 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-08-22 03:48:54,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:48:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-08-22 03:48:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-22 03:48:54,176 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:54,176 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 1] [2020-08-22 03:48:54,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 03:48:54,177 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:54,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:54,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1033208535, now seen corresponding path program 4 times [2020-08-22 03:48:54,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:54,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069403362] [2020-08-22 03:48:54,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 03:48:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-22 03:48:54,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069403362] [2020-08-22 03:48:54,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:54,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 03:48:54,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981347958] [2020-08-22 03:48:54,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 03:48:54,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:54,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 03:48:54,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:48:54,351 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 12 states. [2020-08-22 03:48:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:54,657 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2020-08-22 03:48:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 03:48:54,657 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-22 03:48:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:54,659 INFO L225 Difference]: With dead ends: 71 [2020-08-22 03:48:54,659 INFO L226 Difference]: Without dead ends: 55 [2020-08-22 03:48:54,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2020-08-22 03:48:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-22 03:48:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-08-22 03:48:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-22 03:48:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2020-08-22 03:48:54,671 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 62 [2020-08-22 03:48:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:54,671 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2020-08-22 03:48:54,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 03:48:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2020-08-22 03:48:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-22 03:48:54,673 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:54,673 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:54,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 03:48:54,673 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:54,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:54,674 INFO L82 PathProgramCache]: Analyzing trace with hash 622260971, now seen corresponding path program 5 times [2020-08-22 03:48:54,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:54,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403247097] [2020-08-22 03:48:54,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 03:48:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-22 03:48:54,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403247097] [2020-08-22 03:48:54,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:54,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 03:48:54,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254825240] [2020-08-22 03:48:54,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:48:54,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:54,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:48:54,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:48:54,892 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand 9 states. [2020-08-22 03:48:55,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:55,219 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-08-22 03:48:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 03:48:55,220 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-22 03:48:55,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:55,221 INFO L225 Difference]: With dead ends: 96 [2020-08-22 03:48:55,221 INFO L226 Difference]: Without dead ends: 56 [2020-08-22 03:48:55,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2020-08-22 03:48:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-08-22 03:48:55,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2020-08-22 03:48:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-22 03:48:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2020-08-22 03:48:55,231 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 76 [2020-08-22 03:48:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:55,232 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2020-08-22 03:48:55,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:48:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-08-22 03:48:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-08-22 03:48:55,233 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:55,233 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:55,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 03:48:55,233 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:55,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:55,234 INFO L82 PathProgramCache]: Analyzing trace with hash -633873909, now seen corresponding path program 6 times [2020-08-22 03:48:55,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:55,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100584864] [2020-08-22 03:48:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-22 03:48:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 131 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-08-22 03:48:55,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100584864] [2020-08-22 03:48:55,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:55,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 03:48:55,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726852973] [2020-08-22 03:48:55,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 03:48:55,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:55,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 03:48:55,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:48:55,473 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 12 states. [2020-08-22 03:48:55,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:55,803 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2020-08-22 03:48:55,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 03:48:55,804 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-08-22 03:48:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:55,805 INFO L225 Difference]: With dead ends: 58 [2020-08-22 03:48:55,805 INFO L226 Difference]: Without dead ends: 54 [2020-08-22 03:48:55,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-08-22 03:48:55,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-08-22 03:48:55,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-08-22 03:48:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-22 03:48:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2020-08-22 03:48:55,820 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 96 [2020-08-22 03:48:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:55,821 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2020-08-22 03:48:55,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 03:48:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2020-08-22 03:48:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 03:48:55,822 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:55,822 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:55,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 03:48:55,823 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:55,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:55,825 INFO L82 PathProgramCache]: Analyzing trace with hash 542454743, now seen corresponding path program 7 times [2020-08-22 03:48:55,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:55,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015470555] [2020-08-22 03:48:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-22 03:48:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-08-22 03:48:56,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015470555] [2020-08-22 03:48:56,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:56,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 03:48:56,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941618254] [2020-08-22 03:48:56,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 03:48:56,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:56,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 03:48:56,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-08-22 03:48:56,395 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand 17 states. [2020-08-22 03:48:56,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:56,990 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2020-08-22 03:48:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 03:48:56,990 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 102 [2020-08-22 03:48:56,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:56,992 INFO L225 Difference]: With dead ends: 80 [2020-08-22 03:48:56,992 INFO L226 Difference]: Without dead ends: 76 [2020-08-22 03:48:56,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2020-08-22 03:48:56,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-22 03:48:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2020-08-22 03:48:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-22 03:48:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2020-08-22 03:48:57,017 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 102 [2020-08-22 03:48:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:57,018 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2020-08-22 03:48:57,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 03:48:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-08-22 03:48:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 03:48:57,021 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:57,021 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:57,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 03:48:57,023 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:57,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:57,023 INFO L82 PathProgramCache]: Analyzing trace with hash 589762519, now seen corresponding path program 8 times [2020-08-22 03:48:57,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:57,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644372173] [2020-08-22 03:48:57,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-22 03:48:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 167 proven. 314 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-22 03:48:57,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644372173] [2020-08-22 03:48:57,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:57,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 03:48:57,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947996573] [2020-08-22 03:48:57,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 03:48:57,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:57,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 03:48:57,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 03:48:57,358 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand 11 states. [2020-08-22 03:48:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:57,806 INFO L93 Difference]: Finished difference Result 125 states and 188 transitions. [2020-08-22 03:48:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 03:48:57,807 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-22 03:48:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:57,808 INFO L225 Difference]: With dead ends: 125 [2020-08-22 03:48:57,808 INFO L226 Difference]: Without dead ends: 82 [2020-08-22 03:48:57,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-08-22 03:48:57,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-22 03:48:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2020-08-22 03:48:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-22 03:48:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2020-08-22 03:48:57,827 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 142 [2020-08-22 03:48:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:57,829 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2020-08-22 03:48:57,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 03:48:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2020-08-22 03:48:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-22 03:48:57,834 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:57,835 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:57,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 03:48:57,835 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:57,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:57,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1145252683, now seen corresponding path program 9 times [2020-08-22 03:48:57,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:57,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134171847] [2020-08-22 03:48:57,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:57,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-22 03:48:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 144 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-08-22 03:48:58,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134171847] [2020-08-22 03:48:58,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:58,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 03:48:58,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301880264] [2020-08-22 03:48:58,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 03:48:58,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:58,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 03:48:58,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-22 03:48:58,146 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 14 states. [2020-08-22 03:48:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:58,530 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2020-08-22 03:48:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 03:48:58,531 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-08-22 03:48:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:58,532 INFO L225 Difference]: With dead ends: 86 [2020-08-22 03:48:58,532 INFO L226 Difference]: Without dead ends: 67 [2020-08-22 03:48:58,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2020-08-22 03:48:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-22 03:48:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-08-22 03:48:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-22 03:48:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-08-22 03:48:58,542 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 108 [2020-08-22 03:48:58,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:58,542 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-08-22 03:48:58,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 03:48:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-08-22 03:48:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 03:48:58,544 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:58,545 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:58,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 03:48:58,545 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:58,546 INFO L82 PathProgramCache]: Analyzing trace with hash -370212393, now seen corresponding path program 10 times [2020-08-22 03:48:58,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:58,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537057928] [2020-08-22 03:48:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:48:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-22 03:48:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 227 proven. 254 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-22 03:48:58,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537057928] [2020-08-22 03:48:58,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:58,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 03:48:58,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193336181] [2020-08-22 03:48:58,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 03:48:58,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:58,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 03:48:58,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 03:48:58,954 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 11 states. [2020-08-22 03:48:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:48:59,381 INFO L93 Difference]: Finished difference Result 123 states and 185 transitions. [2020-08-22 03:48:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 03:48:59,381 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-22 03:48:59,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:48:59,383 INFO L225 Difference]: With dead ends: 123 [2020-08-22 03:48:59,383 INFO L226 Difference]: Without dead ends: 71 [2020-08-22 03:48:59,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2020-08-22 03:48:59,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-08-22 03:48:59,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2020-08-22 03:48:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-08-22 03:48:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2020-08-22 03:48:59,397 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 142 [2020-08-22 03:48:59,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:48:59,399 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2020-08-22 03:48:59,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 03:48:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2020-08-22 03:48:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-22 03:48:59,401 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:48:59,401 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:48:59,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 03:48:59,402 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:48:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:48:59,402 INFO L82 PathProgramCache]: Analyzing trace with hash -2107974185, now seen corresponding path program 11 times [2020-08-22 03:48:59,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:48:59,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540111553] [2020-08-22 03:48:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:48:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:48:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:48:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:48:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:48:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:48:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 03:48:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:48:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:48:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 404 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2020-08-22 03:48:59,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540111553] [2020-08-22 03:48:59,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:48:59,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 03:48:59,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296782627] [2020-08-22 03:48:59,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 03:48:59,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:48:59,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 03:48:59,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-22 03:48:59,922 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand 14 states. [2020-08-22 03:49:00,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:00,447 INFO L93 Difference]: Finished difference Result 70 states and 94 transitions. [2020-08-22 03:49:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 03:49:00,448 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 182 [2020-08-22 03:49:00,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:00,449 INFO L225 Difference]: With dead ends: 70 [2020-08-22 03:49:00,449 INFO L226 Difference]: Without dead ends: 66 [2020-08-22 03:49:00,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2020-08-22 03:49:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-22 03:49:00,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-08-22 03:49:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-22 03:49:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2020-08-22 03:49:00,458 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 182 [2020-08-22 03:49:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:00,459 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2020-08-22 03:49:00,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 03:49:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-08-22 03:49:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-22 03:49:00,461 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:00,461 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:00,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 03:49:00,462 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:00,462 INFO L82 PathProgramCache]: Analyzing trace with hash 836851019, now seen corresponding path program 12 times [2020-08-22 03:49:00,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:00,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213339781] [2020-08-22 03:49:00,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 03:49:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2020-08-22 03:49:01,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213339781] [2020-08-22 03:49:01,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:01,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-22 03:49:01,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839931413] [2020-08-22 03:49:01,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 03:49:01,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:01,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 03:49:01,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2020-08-22 03:49:01,401 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand 21 states. [2020-08-22 03:49:02,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:02,278 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2020-08-22 03:49:02,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-22 03:49:02,279 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 188 [2020-08-22 03:49:02,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:02,281 INFO L225 Difference]: With dead ends: 95 [2020-08-22 03:49:02,281 INFO L226 Difference]: Without dead ends: 91 [2020-08-22 03:49:02,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2020-08-22 03:49:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-22 03:49:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-08-22 03:49:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-22 03:49:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-08-22 03:49:02,292 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 188 [2020-08-22 03:49:02,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:02,292 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-08-22 03:49:02,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 03:49:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-08-22 03:49:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-08-22 03:49:02,296 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:02,296 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 24, 23, 23, 23, 23, 23, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:02,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 03:49:02,297 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:02,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:02,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1987597643, now seen corresponding path program 13 times [2020-08-22 03:49:02,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:02,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402914004] [2020-08-22 03:49:02,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-08-22 03:49:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:02,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 455 proven. 975 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2020-08-22 03:49:03,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402914004] [2020-08-22 03:49:03,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:03,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 03:49:03,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255797529] [2020-08-22 03:49:03,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 03:49:03,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:03,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 03:49:03,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-22 03:49:03,015 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 13 states. [2020-08-22 03:49:03,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:03,609 INFO L93 Difference]: Finished difference Result 155 states and 241 transitions. [2020-08-22 03:49:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 03:49:03,609 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268 [2020-08-22 03:49:03,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:03,611 INFO L225 Difference]: With dead ends: 155 [2020-08-22 03:49:03,611 INFO L226 Difference]: Without dead ends: 100 [2020-08-22 03:49:03,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 03:49:03,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-22 03:49:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2020-08-22 03:49:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-22 03:49:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 115 transitions. [2020-08-22 03:49:03,622 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 115 transitions. Word has length 268 [2020-08-22 03:49:03,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:03,623 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 115 transitions. [2020-08-22 03:49:03,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 03:49:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-08-22 03:49:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-22 03:49:03,625 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:03,625 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:03,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 03:49:03,625 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:03,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:03,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1322769943, now seen corresponding path program 14 times [2020-08-22 03:49:03,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:03,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762976112] [2020-08-22 03:49:03,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:03,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 03:49:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 423 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2020-08-22 03:49:04,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762976112] [2020-08-22 03:49:04,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:04,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 03:49:04,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120332609] [2020-08-22 03:49:04,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 03:49:04,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:04,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 03:49:04,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-08-22 03:49:04,216 INFO L87 Difference]: Start difference. First operand 87 states and 115 transitions. Second operand 16 states. [2020-08-22 03:49:05,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:05,072 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2020-08-22 03:49:05,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 03:49:05,072 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 194 [2020-08-22 03:49:05,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:05,073 INFO L225 Difference]: With dead ends: 135 [2020-08-22 03:49:05,074 INFO L226 Difference]: Without dead ends: 88 [2020-08-22 03:49:05,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=1231, Unknown=0, NotChecked=0, Total=1406 [2020-08-22 03:49:05,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-08-22 03:49:05,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-08-22 03:49:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-22 03:49:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-22 03:49:05,085 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 194 [2020-08-22 03:49:05,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:05,087 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-22 03:49:05,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 03:49:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-22 03:49:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-08-22 03:49:05,093 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:05,093 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:05,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 03:49:05,094 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash -547968693, now seen corresponding path program 15 times [2020-08-22 03:49:05,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:05,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1478722670] [2020-08-22 03:49:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:06,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-22 03:49:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:06,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1097 refuted. 0 times theorem prover too weak. 7431 trivial. 0 not checked. [2020-08-22 03:49:06,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1478722670] [2020-08-22 03:49:06,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:06,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 03:49:06,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547574043] [2020-08-22 03:49:06,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 03:49:06,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:06,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 03:49:06,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-08-22 03:49:06,317 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 16 states. [2020-08-22 03:49:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:06,929 INFO L93 Difference]: Finished difference Result 151 states and 234 transitions. [2020-08-22 03:49:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 03:49:06,930 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 348 [2020-08-22 03:49:06,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:06,931 INFO L225 Difference]: With dead ends: 151 [2020-08-22 03:49:06,932 INFO L226 Difference]: Without dead ends: 78 [2020-08-22 03:49:06,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=1041, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 03:49:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-22 03:49:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-08-22 03:49:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-22 03:49:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2020-08-22 03:49:06,941 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 348 [2020-08-22 03:49:06,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:06,942 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2020-08-22 03:49:06,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 03:49:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-08-22 03:49:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-22 03:49:06,944 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:06,945 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:06,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 03:49:06,945 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:06,946 INFO L82 PathProgramCache]: Analyzing trace with hash -604098025, now seen corresponding path program 16 times [2020-08-22 03:49:06,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:06,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140828519] [2020-08-22 03:49:06,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:07,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-22 03:49:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:08,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2020-08-22 03:49:09,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140828519] [2020-08-22 03:49:09,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:09,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-22 03:49:09,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429360439] [2020-08-22 03:49:09,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-22 03:49:09,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:09,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-22 03:49:09,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2020-08-22 03:49:09,160 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand 25 states. [2020-08-22 03:49:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:10,342 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2020-08-22 03:49:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-22 03:49:10,343 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 354 [2020-08-22 03:49:10,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:10,348 INFO L225 Difference]: With dead ends: 110 [2020-08-22 03:49:10,348 INFO L226 Difference]: Without dead ends: 106 [2020-08-22 03:49:10,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=175, Invalid=1987, Unknown=0, NotChecked=0, Total=2162 [2020-08-22 03:49:10,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-22 03:49:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2020-08-22 03:49:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 03:49:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2020-08-22 03:49:10,364 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 354 [2020-08-22 03:49:10,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:10,365 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2020-08-22 03:49:10,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-22 03:49:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2020-08-22 03:49:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-22 03:49:10,368 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:10,369 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:10,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 03:49:10,369 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:10,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:10,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1040265751, now seen corresponding path program 17 times [2020-08-22 03:49:10,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:10,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318577646] [2020-08-22 03:49:10,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:10,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-22 03:49:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:12,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1138 proven. 2665 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-22 03:49:12,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318577646] [2020-08-22 03:49:12,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:12,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 03:49:12,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600975474] [2020-08-22 03:49:12,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 03:49:12,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:12,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 03:49:12,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-22 03:49:12,286 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand 15 states. [2020-08-22 03:49:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:12,993 INFO L93 Difference]: Finished difference Result 185 states and 297 transitions. [2020-08-22 03:49:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-22 03:49:12,997 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-22 03:49:12,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:12,999 INFO L225 Difference]: With dead ends: 185 [2020-08-22 03:49:12,999 INFO L226 Difference]: Without dead ends: 118 [2020-08-22 03:49:13,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1513, Unknown=0, NotChecked=0, Total=1892 [2020-08-22 03:49:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-22 03:49:13,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-08-22 03:49:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-22 03:49:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 138 transitions. [2020-08-22 03:49:13,011 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 138 transitions. Word has length 514 [2020-08-22 03:49:13,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:13,012 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 138 transitions. [2020-08-22 03:49:13,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 03:49:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2020-08-22 03:49:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-08-22 03:49:13,014 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:13,014 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:13,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 03:49:13,015 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:13,015 INFO L82 PathProgramCache]: Analyzing trace with hash 800684683, now seen corresponding path program 18 times [2020-08-22 03:49:13,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:13,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297130321] [2020-08-22 03:49:13,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-22 03:49:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:13,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1122 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2020-08-22 03:49:14,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297130321] [2020-08-22 03:49:14,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:14,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 03:49:14,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230702009] [2020-08-22 03:49:14,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 03:49:14,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:14,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 03:49:14,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-22 03:49:14,071 INFO L87 Difference]: Start difference. First operand 102 states and 138 transitions. Second operand 18 states. [2020-08-22 03:49:14,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:14,761 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2020-08-22 03:49:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 03:49:14,763 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 360 [2020-08-22 03:49:14,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:14,765 INFO L225 Difference]: With dead ends: 116 [2020-08-22 03:49:14,765 INFO L226 Difference]: Without dead ends: 91 [2020-08-22 03:49:14,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=282, Invalid=1278, Unknown=0, NotChecked=0, Total=1560 [2020-08-22 03:49:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-22 03:49:14,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-08-22 03:49:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-22 03:49:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-08-22 03:49:14,778 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 360 [2020-08-22 03:49:14,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:14,778 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-08-22 03:49:14,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 03:49:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-08-22 03:49:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-22 03:49:14,782 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:14,782 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:14,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-22 03:49:14,785 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:14,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:14,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1908418025, now seen corresponding path program 19 times [2020-08-22 03:49:14,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:14,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930911390] [2020-08-22 03:49:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:15,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-22 03:49:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1630 proven. 2173 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-22 03:49:16,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930911390] [2020-08-22 03:49:16,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:16,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 03:49:16,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500700756] [2020-08-22 03:49:16,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 03:49:16,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:16,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 03:49:16,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-22 03:49:16,339 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 15 states. [2020-08-22 03:49:17,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:17,039 INFO L93 Difference]: Finished difference Result 177 states and 281 transitions. [2020-08-22 03:49:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-22 03:49:17,044 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-22 03:49:17,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:17,046 INFO L225 Difference]: With dead ends: 177 [2020-08-22 03:49:17,046 INFO L226 Difference]: Without dead ends: 101 [2020-08-22 03:49:17,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2020-08-22 03:49:17,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-22 03:49:17,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2020-08-22 03:49:17,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-22 03:49:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-22 03:49:17,057 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 514 [2020-08-22 03:49:17,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:17,058 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-22 03:49:17,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 03:49:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-22 03:49:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-08-22 03:49:17,063 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:17,064 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:17,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-22 03:49:17,064 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:17,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:17,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2099436055, now seen corresponding path program 20 times [2020-08-22 03:49:17,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:17,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994767942] [2020-08-22 03:49:17,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:17,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:17,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:17,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-22 03:49:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:18,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2762 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2020-08-22 03:49:19,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994767942] [2020-08-22 03:49:19,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:19,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 03:49:19,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394695829] [2020-08-22 03:49:19,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 03:49:19,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:19,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 03:49:19,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-22 03:49:19,113 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 18 states. [2020-08-22 03:49:19,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:19,905 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2020-08-22 03:49:19,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-22 03:49:19,906 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 674 [2020-08-22 03:49:19,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:19,909 INFO L225 Difference]: With dead ends: 94 [2020-08-22 03:49:19,909 INFO L226 Difference]: Without dead ends: 90 [2020-08-22 03:49:19,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1426, Unknown=0, NotChecked=0, Total=1722 [2020-08-22 03:49:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-08-22 03:49:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2020-08-22 03:49:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-22 03:49:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2020-08-22 03:49:19,922 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 674 [2020-08-22 03:49:19,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:19,923 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2020-08-22 03:49:19,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 03:49:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2020-08-22 03:49:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-08-22 03:49:19,928 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:19,928 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:19,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-22 03:49:19,929 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:19,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:19,929 INFO L82 PathProgramCache]: Analyzing trace with hash 2092966539, now seen corresponding path program 21 times [2020-08-22 03:49:19,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:19,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788193109] [2020-08-22 03:49:19,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:21,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:22,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-22 03:49:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:23,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:23,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:23,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2020-08-22 03:49:24,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788193109] [2020-08-22 03:49:24,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:24,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-22 03:49:24,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329797380] [2020-08-22 03:49:24,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-22 03:49:24,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:24,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-22 03:49:24,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=756, Unknown=0, NotChecked=0, Total=812 [2020-08-22 03:49:24,383 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand 29 states. [2020-08-22 03:49:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:26,294 INFO L93 Difference]: Finished difference Result 125 states and 171 transitions. [2020-08-22 03:49:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-22 03:49:26,295 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 680 [2020-08-22 03:49:26,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:26,298 INFO L225 Difference]: With dead ends: 125 [2020-08-22 03:49:26,298 INFO L226 Difference]: Without dead ends: 121 [2020-08-22 03:49:26,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=207, Invalid=2763, Unknown=0, NotChecked=0, Total=2970 [2020-08-22 03:49:26,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-22 03:49:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2020-08-22 03:49:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 03:49:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2020-08-22 03:49:26,314 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 680 [2020-08-22 03:49:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:26,316 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2020-08-22 03:49:26,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-22 03:49:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2020-08-22 03:49:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-22 03:49:26,333 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:26,334 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:26,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-22 03:49:26,335 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:26,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:26,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1334715019, now seen corresponding path program 22 times [2020-08-22 03:49:26,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:26,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524253738] [2020-08-22 03:49:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:27,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:28,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-22 03:49:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 81590 backedges. 2688 proven. 6748 refuted. 0 times theorem prover too weak. 72154 trivial. 0 not checked. [2020-08-22 03:49:30,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524253738] [2020-08-22 03:49:30,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:30,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 03:49:30,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887625614] [2020-08-22 03:49:30,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 03:49:30,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:30,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 03:49:30,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-22 03:49:30,329 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand 17 states. [2020-08-22 03:49:31,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:31,262 INFO L93 Difference]: Finished difference Result 215 states and 356 transitions. [2020-08-22 03:49:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-22 03:49:31,264 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1000 [2020-08-22 03:49:31,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:31,266 INFO L225 Difference]: With dead ends: 215 [2020-08-22 03:49:31,266 INFO L226 Difference]: Without dead ends: 136 [2020-08-22 03:49:31,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=517, Invalid=2135, Unknown=0, NotChecked=0, Total=2652 [2020-08-22 03:49:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-22 03:49:31,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2020-08-22 03:49:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-22 03:49:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 162 transitions. [2020-08-22 03:49:31,282 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 162 transitions. Word has length 1000 [2020-08-22 03:49:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:31,283 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 162 transitions. [2020-08-22 03:49:31,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 03:49:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2020-08-22 03:49:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-22 03:49:31,288 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:31,289 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:31,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-22 03:49:31,289 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:31,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1024924247, now seen corresponding path program 23 times [2020-08-22 03:49:31,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:31,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971095777] [2020-08-22 03:49:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-22 03:49:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36024 backedges. 525 proven. 2793 refuted. 0 times theorem prover too weak. 32706 trivial. 0 not checked. [2020-08-22 03:49:33,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971095777] [2020-08-22 03:49:33,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:33,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-22 03:49:33,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762668987] [2020-08-22 03:49:33,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 03:49:33,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:33,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 03:49:33,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-08-22 03:49:33,819 INFO L87 Difference]: Start difference. First operand 117 states and 162 transitions. Second operand 20 states. [2020-08-22 03:49:34,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:34,578 INFO L93 Difference]: Finished difference Result 131 states and 184 transitions. [2020-08-22 03:49:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-22 03:49:34,579 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 686 [2020-08-22 03:49:34,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:34,581 INFO L225 Difference]: With dead ends: 131 [2020-08-22 03:49:34,582 INFO L226 Difference]: Without dead ends: 103 [2020-08-22 03:49:34,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=370, Invalid=1700, Unknown=0, NotChecked=0, Total=2070 [2020-08-22 03:49:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-22 03:49:34,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-08-22 03:49:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 03:49:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2020-08-22 03:49:34,595 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 686 [2020-08-22 03:49:34,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:34,596 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2020-08-22 03:49:34,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 03:49:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2020-08-22 03:49:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-22 03:49:34,606 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:34,606 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:34,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-22 03:49:34,607 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:34,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:34,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1285590389, now seen corresponding path program 24 times [2020-08-22 03:49:34,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:34,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668181819] [2020-08-22 03:49:34,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:49:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:35,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:49:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:35,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-22 03:49:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:36,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-08-22 03:49:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 03:49:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 03:49:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:49:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 03:49:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 03:49:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-22 03:49:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 03:49:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:49:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 81590 backedges. 3930 proven. 5506 refuted. 0 times theorem prover too weak. 72154 trivial. 0 not checked. [2020-08-22 03:49:38,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668181819] [2020-08-22 03:49:38,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:49:38,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 03:49:38,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274353724] [2020-08-22 03:49:38,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 03:49:38,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:49:38,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 03:49:38,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-22 03:49:38,368 INFO L87 Difference]: Start difference. First operand 99 states and 149 transitions. Second operand 17 states. [2020-08-22 03:49:39,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:49:39,292 INFO L93 Difference]: Finished difference Result 204 states and 332 transitions. [2020-08-22 03:49:39,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-22 03:49:39,293 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1000 [2020-08-22 03:49:39,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:49:39,296 INFO L225 Difference]: With dead ends: 204 [2020-08-22 03:49:39,296 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 03:49:39,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=506, Invalid=2146, Unknown=0, NotChecked=0, Total=2652 [2020-08-22 03:49:39,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 03:49:39,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 96. [2020-08-22 03:49:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-08-22 03:49:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2020-08-22 03:49:39,312 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 1000 [2020-08-22 03:49:39,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:49:39,313 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2020-08-22 03:49:39,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 03:49:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2020-08-22 03:49:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2020-08-22 03:49:39,331 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:49:39,331 INFO L422 BasicCegarLoop]: trace histogram [255, 255, 128, 127, 127, 127, 127, 127, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:49:39,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-08-22 03:49:39,332 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:49:39,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:49:39,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1504539275, now seen corresponding path program 25 times [2020-08-22 03:49:39,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:49:39,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236600465] [2020-08-22 03:49:39,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY