/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:30:55,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 16:30:55,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 16:30:55,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 16:30:55,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:30:55,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:30:55,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:30:55,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:30:55,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:30:55,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:30:55,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:30:55,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:30:55,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:30:55,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:30:55,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:30:55,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:30:55,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:30:55,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:30:55,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:30:55,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:30:55,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:30:55,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:30:55,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:30:55,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:30:55,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 16:30:55,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 16:30:55,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 16:30:55,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 16:30:55,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 16:30:55,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 16:30:55,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 16:30:55,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 16:30:55,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 16:30:55,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 16:30:55,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 16:30:55,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 16:30:55,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 16:30:55,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 16:30:55,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:30:55,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:30:55,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:30:55,906 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 [2020-08-21 16:30:55,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:30:55,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:30:55,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:30:55,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:30:55,942 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:30:55,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:30:55,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:30:55,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:30:55,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:30:55,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:30:55,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:30:55,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:30:55,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:30:55,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:30:55,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:30:55,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:30:55,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:30:55,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:30:55,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:30:55,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:30:55,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:30:55,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:30:55,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:30:55,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:30:55,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:30:55,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:30:55,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:30:55,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:30:55,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:30:55,947 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:30:56,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:30:56,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:30:56,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:30:56,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:30:56,256 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:30:56,256 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-21 16:30:56,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6b938563/638e55ee84be4ea59c3f05ca1246be06/FLAG26c6e3f16 [2020-08-21 16:30:56,682 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:30:56,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-21 16:30:56,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6b938563/638e55ee84be4ea59c3f05ca1246be06/FLAG26c6e3f16 [2020-08-21 16:30:57,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6b938563/638e55ee84be4ea59c3f05ca1246be06 [2020-08-21 16:30:57,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:30:57,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:30:57,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:30:57,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:30:57,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:30:57,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3326bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57, skipping insertion in model container [2020-08-21 16:30:57,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:30:57,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:30:57,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:30:57,277 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:30:57,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:30:57,310 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:30:57,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57 WrapperNode [2020-08-21 16:30:57,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:30:57,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:30:57,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:30:57,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:30:57,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (1/1) ... [2020-08-21 16:30:57,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:30:57,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:30:57,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:30:57,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:30:57,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (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 [2020-08-21 16:30:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:30:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:30:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-21 16:30:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-21 16:30:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:30:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:30:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:30:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-21 16:30:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-21 16:30:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:30:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:30:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:30:57,692 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:30:57,692 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 16:30:57,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:30:57 BoogieIcfgContainer [2020-08-21 16:30:57,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:30:57,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:30:57,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:30:57,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:30:57,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:30:57" (1/3) ... [2020-08-21 16:30:57,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619ec23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:30:57, skipping insertion in model container [2020-08-21 16:30:57,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:30:57" (2/3) ... [2020-08-21 16:30:57,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619ec23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:30:57, skipping insertion in model container [2020-08-21 16:30:57,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:30:57" (3/3) ... [2020-08-21 16:30:57,706 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-08-21 16:30:57,718 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:30:57,728 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:30:57,744 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:30:57,772 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:30:57,772 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:30:57,772 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:30:57,773 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:30:57,773 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:30:57,773 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:30:57,773 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:30:57,773 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:30:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-21 16:30:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 16:30:57,803 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:57,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:57,805 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-21 16:30:57,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:57,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502281787] [2020-08-21 16:30:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:57,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:30:58,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502281787] [2020-08-21 16:30:58,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:30:58,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 16:30:58,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426565320] [2020-08-21 16:30:58,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:30:58,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:58,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:30:58,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:30:58,063 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-21 16:30:58,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:58,175 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-21 16:30:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:30:58,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 16:30:58,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:58,188 INFO L225 Difference]: With dead ends: 44 [2020-08-21 16:30:58,188 INFO L226 Difference]: Without dead ends: 30 [2020-08-21 16:30:58,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:30:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-21 16:30:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-21 16:30:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 16:30:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 16:30:58,239 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-21 16:30:58,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:58,240 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 16:30:58,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:30:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 16:30:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 16:30:58,242 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:58,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:58,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:30:58,243 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:58,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:58,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-21 16:30:58,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:58,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969996895] [2020-08-21 16:30:58,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:30:58,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969996895] [2020-08-21 16:30:58,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:30:58,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 16:30:58,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606435090] [2020-08-21 16:30:58,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:30:58,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:58,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:30:58,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:30:58,310 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-21 16:30:58,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:58,377 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-21 16:30:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:30:58,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 16:30:58,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:58,380 INFO L225 Difference]: With dead ends: 36 [2020-08-21 16:30:58,381 INFO L226 Difference]: Without dead ends: 32 [2020-08-21 16:30:58,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:30:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-21 16:30:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-21 16:30:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 16:30:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 16:30:58,393 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-21 16:30:58,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:58,393 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 16:30:58,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:30:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 16:30:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 16:30:58,396 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:58,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:58,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:30:58,397 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-21 16:30:58,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:58,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060293462] [2020-08-21 16:30:58,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:30:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:30:58,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060293462] [2020-08-21 16:30:58,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:30:58,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:30:58,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270908173] [2020-08-21 16:30:58,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:30:58,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:30:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:30:58,522 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-21 16:30:58,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:58,606 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-21 16:30:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 16:30:58,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 16:30:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:58,609 INFO L225 Difference]: With dead ends: 58 [2020-08-21 16:30:58,609 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 16:30:58,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:30:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 16:30:58,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-21 16:30:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 16:30:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-21 16:30:58,621 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-21 16:30:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:58,622 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-21 16:30:58,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:30:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-21 16:30:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 16:30:58,624 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:58,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:58,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:30:58,625 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:58,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:58,626 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-21 16:30:58,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:58,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805296323] [2020-08-21 16:30:58,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:30:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:30:58,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805296323] [2020-08-21 16:30:58,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:30:58,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:30:58,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163100249] [2020-08-21 16:30:58,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:30:58,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:58,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:30:58,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:30:58,737 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-21 16:30:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:58,931 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-21 16:30:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:30:58,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-21 16:30:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:58,936 INFO L225 Difference]: With dead ends: 54 [2020-08-21 16:30:58,936 INFO L226 Difference]: Without dead ends: 50 [2020-08-21 16:30:58,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 16:30:58,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-21 16:30:58,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-21 16:30:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 16:30:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-21 16:30:58,950 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-21 16:30:58,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:58,951 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-21 16:30:58,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:30:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-21 16:30:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-21 16:30:58,953 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:58,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:58,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:30:58,954 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:58,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:58,954 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-21 16:30:58,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:58,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092006778] [2020-08-21 16:30:58,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:58,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:30:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 16:30:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 16:30:59,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092006778] [2020-08-21 16:30:59,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:30:59,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 16:30:59,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671607938] [2020-08-21 16:30:59,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 16:30:59,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:59,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 16:30:59,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:30:59,058 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-21 16:30:59,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:59,135 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-21 16:30:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 16:30:59,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-21 16:30:59,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:59,138 INFO L225 Difference]: With dead ends: 94 [2020-08-21 16:30:59,138 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 16:30:59,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:30:59,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 16:30:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 16:30:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 16:30:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-21 16:30:59,151 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-21 16:30:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:59,152 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-21 16:30:59,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 16:30:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-21 16:30:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 16:30:59,154 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:59,154 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:59,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:30:59,155 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:59,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:59,155 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-21 16:30:59,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:59,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534948240] [2020-08-21 16:30:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:30:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:30:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 16:30:59,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534948240] [2020-08-21 16:30:59,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:30:59,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 16:30:59,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051979626] [2020-08-21 16:30:59,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:30:59,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:59,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:30:59,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:30:59,290 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-21 16:30:59,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:59,398 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-21 16:30:59,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 16:30:59,398 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 16:30:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:59,400 INFO L225 Difference]: With dead ends: 103 [2020-08-21 16:30:59,400 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 16:30:59,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:30:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 16:30:59,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 16:30:59,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 16:30:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-21 16:30:59,413 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-21 16:30:59,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:59,414 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-21 16:30:59,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:30:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-21 16:30:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 16:30:59,421 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:59,421 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:59,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 16:30:59,421 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:59,422 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-21 16:30:59,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:59,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749496602] [2020-08-21 16:30:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:30:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:30:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 16:30:59,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749496602] [2020-08-21 16:30:59,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:30:59,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 16:30:59,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000626238] [2020-08-21 16:30:59,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:30:59,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:59,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:30:59,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:30:59,588 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-21 16:30:59,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:30:59,769 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-21 16:30:59,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:30:59,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 16:30:59,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:30:59,772 INFO L225 Difference]: With dead ends: 86 [2020-08-21 16:30:59,772 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 16:30:59,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:30:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 16:30:59,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-21 16:30:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-21 16:30:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-21 16:30:59,788 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-21 16:30:59,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:30:59,788 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-21 16:30:59,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:30:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-21 16:30:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 16:30:59,791 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:30:59,791 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:30:59,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 16:30:59,792 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:30:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:30:59,792 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-21 16:30:59,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:30:59,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084466159] [2020-08-21 16:30:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:30:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:30:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:30:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:30:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:30:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:30:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 16:30:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:30:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-21 16:30:59,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084466159] [2020-08-21 16:30:59,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:30:59,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 16:30:59,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844678074] [2020-08-21 16:30:59,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:30:59,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:30:59,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:30:59,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:30:59,930 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-21 16:31:00,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:00,044 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-21 16:31:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:31:00,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-21 16:31:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:00,046 INFO L225 Difference]: With dead ends: 167 [2020-08-21 16:31:00,047 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 16:31:00,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:31:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 16:31:00,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 16:31:00,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 16:31:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-21 16:31:00,069 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-21 16:31:00,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:00,070 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-21 16:31:00,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:31:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-21 16:31:00,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 16:31:00,072 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:00,073 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:00,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 16:31:00,073 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:00,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:00,074 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-21 16:31:00,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:00,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646856804] [2020-08-21 16:31:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 16:31:00,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646856804] [2020-08-21 16:31:00,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:00,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 16:31:00,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166230788] [2020-08-21 16:31:00,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 16:31:00,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:00,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 16:31:00,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:31:00,221 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-21 16:31:00,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:00,422 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-21 16:31:00,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:31:00,423 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-21 16:31:00,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:00,424 INFO L225 Difference]: With dead ends: 188 [2020-08-21 16:31:00,425 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 16:31:00,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 16:31:00,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 16:31:00,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-21 16:31:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 16:31:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-21 16:31:00,440 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-21 16:31:00,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:00,440 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-21 16:31:00,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 16:31:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-21 16:31:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 16:31:00,443 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:00,443 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:00,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 16:31:00,443 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:00,444 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-21 16:31:00,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:00,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578320994] [2020-08-21 16:31:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-21 16:31:00,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578320994] [2020-08-21 16:31:00,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:00,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 16:31:00,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722295602] [2020-08-21 16:31:00,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 16:31:00,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:00,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 16:31:00,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:31:00,730 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-21 16:31:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:01,119 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-21 16:31:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 16:31:01,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-21 16:31:01,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:01,121 INFO L225 Difference]: With dead ends: 199 [2020-08-21 16:31:01,121 INFO L226 Difference]: Without dead ends: 86 [2020-08-21 16:31:01,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-21 16:31:01,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-21 16:31:01,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-21 16:31:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-21 16:31:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-21 16:31:01,131 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-21 16:31:01,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:01,131 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-21 16:31:01,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 16:31:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-21 16:31:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 16:31:01,133 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:01,133 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:01,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 16:31:01,134 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:01,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:01,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-21 16:31:01,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:01,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849707901] [2020-08-21 16:31:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 16:31:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-21 16:31:01,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849707901] [2020-08-21 16:31:01,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:01,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 16:31:01,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198422747] [2020-08-21 16:31:01,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 16:31:01,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:01,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 16:31:01,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:31:01,349 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-21 16:31:01,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:01,530 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-21 16:31:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 16:31:01,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-21 16:31:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:01,532 INFO L225 Difference]: With dead ends: 142 [2020-08-21 16:31:01,532 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 16:31:01,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 16:31:01,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 16:31:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-21 16:31:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-21 16:31:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-21 16:31:01,548 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-21 16:31:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:01,548 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-21 16:31:01,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 16:31:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-21 16:31:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-21 16:31:01,555 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:01,555 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:01,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 16:31:01,555 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:01,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-21 16:31:01,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:01,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582848202] [2020-08-21 16:31:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 16:31:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:01,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 16:31:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 16:31:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-21 16:31:02,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582848202] [2020-08-21 16:31:02,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:02,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 16:31:02,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393719378] [2020-08-21 16:31:02,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 16:31:02,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:02,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 16:31:02,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-21 16:31:02,257 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-21 16:31:02,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:02,786 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-21 16:31:02,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-21 16:31:02,787 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-21 16:31:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:02,788 INFO L225 Difference]: With dead ends: 184 [2020-08-21 16:31:02,788 INFO L226 Difference]: Without dead ends: 111 [2020-08-21 16:31:02,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-21 16:31:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-21 16:31:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-21 16:31:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 16:31:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-21 16:31:02,801 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-21 16:31:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:02,803 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-21 16:31:02,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 16:31:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-21 16:31:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 16:31:02,806 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:02,806 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:02,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 16:31:02,806 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:02,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:02,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-21 16:31:02,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:02,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238082165] [2020-08-21 16:31:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:02,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 16:31:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-21 16:31:03,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238082165] [2020-08-21 16:31:03,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:03,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 16:31:03,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972960480] [2020-08-21 16:31:03,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 16:31:03,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 16:31:03,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:31:03,107 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-21 16:31:03,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:03,334 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-21 16:31:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 16:31:03,336 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-21 16:31:03,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:03,338 INFO L225 Difference]: With dead ends: 188 [2020-08-21 16:31:03,338 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 16:31:03,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 16:31:03,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 16:31:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-21 16:31:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-21 16:31:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-21 16:31:03,353 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-21 16:31:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:03,354 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-21 16:31:03,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 16:31:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-21 16:31:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 16:31:03,357 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:03,358 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:03,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 16:31:03,358 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:03,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:03,359 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-21 16:31:03,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:03,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912461202] [2020-08-21 16:31:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 16:31:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-21 16:31:03,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912461202] [2020-08-21 16:31:03,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:03,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 16:31:03,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937323288] [2020-08-21 16:31:03,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 16:31:03,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:03,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 16:31:03,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 16:31:03,778 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-21 16:31:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:04,373 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-21 16:31:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 16:31:04,373 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-21 16:31:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:04,375 INFO L225 Difference]: With dead ends: 224 [2020-08-21 16:31:04,375 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 16:31:04,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-21 16:31:04,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 16:31:04,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-21 16:31:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 16:31:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-21 16:31:04,395 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-21 16:31:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:04,397 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-21 16:31:04,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 16:31:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-21 16:31:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 16:31:04,399 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:04,399 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:04,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 16:31:04,400 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-21 16:31:04,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:04,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320994958] [2020-08-21 16:31:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-21 16:31:04,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320994958] [2020-08-21 16:31:04,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:04,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 16:31:04,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921954097] [2020-08-21 16:31:04,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 16:31:04,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:04,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 16:31:04,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:31:04,709 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-21 16:31:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:05,053 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-21 16:31:05,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 16:31:05,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-21 16:31:05,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:05,057 INFO L225 Difference]: With dead ends: 244 [2020-08-21 16:31:05,057 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 16:31:05,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-21 16:31:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 16:31:05,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-21 16:31:05,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-21 16:31:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-21 16:31:05,082 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-21 16:31:05,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:05,082 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-21 16:31:05,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 16:31:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-21 16:31:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-21 16:31:05,089 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:05,090 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:05,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 16:31:05,090 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:05,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-21 16:31:05,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:05,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637897530] [2020-08-21 16:31:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 16:31:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-21 16:31:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 16:31:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-21 16:31:05,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637897530] [2020-08-21 16:31:05,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:05,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 16:31:05,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970477624] [2020-08-21 16:31:05,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 16:31:05,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:05,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 16:31:05,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:31:05,793 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-21 16:31:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:06,056 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-21 16:31:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 16:31:06,056 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-21 16:31:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:06,060 INFO L225 Difference]: With dead ends: 429 [2020-08-21 16:31:06,060 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 16:31:06,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 16:31:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 16:31:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-21 16:31:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-21 16:31:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-21 16:31:06,077 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-21 16:31:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:06,077 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-21 16:31:06,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 16:31:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-21 16:31:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-21 16:31:06,082 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:06,082 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:06,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 16:31:06,083 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:06,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-21 16:31:06,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:06,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819689865] [2020-08-21 16:31:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-21 16:31:06,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819689865] [2020-08-21 16:31:06,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:06,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 16:31:06,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849782936] [2020-08-21 16:31:06,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 16:31:06,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:06,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 16:31:06,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:31:06,777 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-21 16:31:07,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:07,119 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-21 16:31:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 16:31:07,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-21 16:31:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:07,126 INFO L225 Difference]: With dead ends: 469 [2020-08-21 16:31:07,128 INFO L226 Difference]: Without dead ends: 465 [2020-08-21 16:31:07,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-21 16:31:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-21 16:31:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-21 16:31:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-21 16:31:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-21 16:31:07,160 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-21 16:31:07,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:07,160 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-21 16:31:07,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 16:31:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-21 16:31:07,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-21 16:31:07,177 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:07,177 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:07,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 16:31:07,178 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:07,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:07,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-21 16:31:07,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:07,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448219617] [2020-08-21 16:31:07,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 16:31:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-21 16:31:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:07,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-21 16:31:08,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448219617] [2020-08-21 16:31:08,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:08,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 16:31:08,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753580053] [2020-08-21 16:31:08,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 16:31:08,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:08,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 16:31:08,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 16:31:08,084 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-21 16:31:08,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:08,624 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-21 16:31:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 16:31:08,625 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-21 16:31:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:08,633 INFO L225 Difference]: With dead ends: 924 [2020-08-21 16:31:08,633 INFO L226 Difference]: Without dead ends: 493 [2020-08-21 16:31:08,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 16:31:08,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-21 16:31:08,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-21 16:31:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-21 16:31:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-21 16:31:08,684 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-21 16:31:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:08,685 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-21 16:31:08,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 16:31:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-21 16:31:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-21 16:31:08,693 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:08,694 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:08,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 16:31:08,694 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:08,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 7 times [2020-08-21 16:31:08,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:08,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561281657] [2020-08-21 16:31:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:08,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:09,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:10,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-21 16:31:10,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561281657] [2020-08-21 16:31:10,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:10,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-21 16:31:10,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671024782] [2020-08-21 16:31:10,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-21 16:31:10,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:10,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-21 16:31:10,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-21 16:31:10,213 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 22 states. [2020-08-21 16:31:11,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:11,100 INFO L93 Difference]: Finished difference Result 1181 states and 2195 transitions. [2020-08-21 16:31:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-21 16:31:11,101 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-21 16:31:11,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:11,113 INFO L225 Difference]: With dead ends: 1181 [2020-08-21 16:31:11,113 INFO L226 Difference]: Without dead ends: 756 [2020-08-21 16:31:11,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-21 16:31:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-08-21 16:31:11,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 676. [2020-08-21 16:31:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-08-21 16:31:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1086 transitions. [2020-08-21 16:31:11,187 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1086 transitions. Word has length 436 [2020-08-21 16:31:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:11,188 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 1086 transitions. [2020-08-21 16:31:11,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-21 16:31:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1086 transitions. [2020-08-21 16:31:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-21 16:31:11,195 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:11,195 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:11,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 16:31:11,196 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:11,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:11,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 8 times [2020-08-21 16:31:11,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:11,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124546620] [2020-08-21 16:31:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:11,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2020-08-21 16:31:12,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124546620] [2020-08-21 16:31:12,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:12,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 16:31:12,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439183747] [2020-08-21 16:31:12,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 16:31:12,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:12,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 16:31:12,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-21 16:31:12,464 INFO L87 Difference]: Start difference. First operand 676 states and 1086 transitions. Second operand 13 states. [2020-08-21 16:31:12,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:12,824 INFO L93 Difference]: Finished difference Result 1328 states and 2231 transitions. [2020-08-21 16:31:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 16:31:12,824 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-21 16:31:12,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:12,843 INFO L225 Difference]: With dead ends: 1328 [2020-08-21 16:31:12,843 INFO L226 Difference]: Without dead ends: 1324 [2020-08-21 16:31:12,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-08-21 16:31:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2020-08-21 16:31:12,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1304. [2020-08-21 16:31:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-08-21 16:31:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2185 transitions. [2020-08-21 16:31:12,953 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2185 transitions. Word has length 463 [2020-08-21 16:31:12,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:12,954 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 2185 transitions. [2020-08-21 16:31:12,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 16:31:12,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2185 transitions. [2020-08-21 16:31:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2020-08-21 16:31:12,994 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:12,995 INFO L422 BasicCegarLoop]: trace histogram [102, 102, 99, 99, 82, 81, 51, 51, 51, 51, 51, 51, 51, 49, 49, 49, 49, 49, 49, 49, 33, 30, 20, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:12,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 16:31:12,995 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:12,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1269461951, now seen corresponding path program 9 times [2020-08-21 16:31:12,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:12,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543707236] [2020-08-21 16:31:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:14,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:14,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:14,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-21 16:31:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-21 16:31:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-21 16:31:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:15,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2020-08-21 16:31:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 16:31:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-21 16:31:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:17,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:19,169 INFO L134 CoverageAnalysis]: Checked inductivity of 56373 backedges. 4504 proven. 7480 refuted. 0 times theorem prover too weak. 44389 trivial. 0 not checked. [2020-08-21 16:31:19,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543707236] [2020-08-21 16:31:19,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:19,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-21 16:31:19,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522543210] [2020-08-21 16:31:19,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-21 16:31:19,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:19,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-21 16:31:19,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-21 16:31:19,172 INFO L87 Difference]: Start difference. First operand 1304 states and 2185 transitions. Second operand 29 states. [2020-08-21 16:31:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:20,727 INFO L93 Difference]: Finished difference Result 2712 states and 4831 transitions. [2020-08-21 16:31:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-08-21 16:31:20,728 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1376 [2020-08-21 16:31:20,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:20,748 INFO L225 Difference]: With dead ends: 2712 [2020-08-21 16:31:20,749 INFO L226 Difference]: Without dead ends: 1422 [2020-08-21 16:31:20,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=448, Invalid=3458, Unknown=0, NotChecked=0, Total=3906 [2020-08-21 16:31:20,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-08-21 16:31:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1254. [2020-08-21 16:31:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-08-21 16:31:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1962 transitions. [2020-08-21 16:31:20,850 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1962 transitions. Word has length 1376 [2020-08-21 16:31:20,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:20,851 INFO L479 AbstractCegarLoop]: Abstraction has 1254 states and 1962 transitions. [2020-08-21 16:31:20,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-21 16:31:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1962 transitions. [2020-08-21 16:31:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-21 16:31:20,860 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:20,861 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 45, 45, 38, 37, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 16, 13, 10, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:20,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 16:31:20,861 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:20,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 10 times [2020-08-21 16:31:20,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:20,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251248798] [2020-08-21 16:31:20,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 16:31:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 16:31:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-21 16:31:22,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251248798] [2020-08-21 16:31:22,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:22,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 16:31:22,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173616009] [2020-08-21 16:31:22,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 16:31:22,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:22,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 16:31:22,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-21 16:31:22,564 INFO L87 Difference]: Start difference. First operand 1254 states and 1962 transitions. Second operand 16 states. [2020-08-21 16:31:23,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:23,211 INFO L93 Difference]: Finished difference Result 2639 states and 4460 transitions. [2020-08-21 16:31:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 16:31:23,211 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-21 16:31:23,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:23,233 INFO L225 Difference]: With dead ends: 2639 [2020-08-21 16:31:23,234 INFO L226 Difference]: Without dead ends: 1399 [2020-08-21 16:31:23,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-21 16:31:23,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-08-21 16:31:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1328. [2020-08-21 16:31:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1328 states. [2020-08-21 16:31:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2092 transitions. [2020-08-21 16:31:23,345 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2092 transitions. Word has length 640 [2020-08-21 16:31:23,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:23,346 INFO L479 AbstractCegarLoop]: Abstraction has 1328 states and 2092 transitions. [2020-08-21 16:31:23,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 16:31:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2092 transitions. [2020-08-21 16:31:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2020-08-21 16:31:23,356 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:23,357 INFO L422 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 40, 40, 25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 16, 15, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:23,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 16:31:23,357 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:23,358 INFO L82 PathProgramCache]: Analyzing trace with hash -859303294, now seen corresponding path program 11 times [2020-08-21 16:31:23,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:23,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920978411] [2020-08-21 16:31:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:23,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:23,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 16:31:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:24,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 13468 backedges. 859 proven. 2150 refuted. 0 times theorem prover too weak. 10459 trivial. 0 not checked. [2020-08-21 16:31:25,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920978411] [2020-08-21 16:31:25,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:25,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 16:31:25,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210742735] [2020-08-21 16:31:25,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 16:31:25,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:25,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 16:31:25,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 16:31:25,269 INFO L87 Difference]: Start difference. First operand 1328 states and 2092 transitions. Second operand 18 states. [2020-08-21 16:31:26,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:26,185 INFO L93 Difference]: Finished difference Result 3040 states and 5330 transitions. [2020-08-21 16:31:26,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-21 16:31:26,186 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 681 [2020-08-21 16:31:26,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:26,210 INFO L225 Difference]: With dead ends: 3040 [2020-08-21 16:31:26,210 INFO L226 Difference]: Without dead ends: 1726 [2020-08-21 16:31:26,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 16:31:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2020-08-21 16:31:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1524. [2020-08-21 16:31:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1524 states. [2020-08-21 16:31:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1524 states and 2502 transitions. [2020-08-21 16:31:26,336 INFO L78 Accepts]: Start accepts. Automaton has 1524 states and 2502 transitions. Word has length 681 [2020-08-21 16:31:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:26,337 INFO L479 AbstractCegarLoop]: Abstraction has 1524 states and 2502 transitions. [2020-08-21 16:31:26,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 16:31:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 2502 transitions. [2020-08-21 16:31:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1717 [2020-08-21 16:31:26,367 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:26,368 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 124, 124, 103, 100, 63, 63, 63, 63, 63, 63, 63, 62, 62, 62, 62, 62, 62, 62, 41, 37, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:26,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 16:31:26,368 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:26,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:26,369 INFO L82 PathProgramCache]: Analyzing trace with hash 66149364, now seen corresponding path program 12 times [2020-08-21 16:31:26,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:26,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036401702] [2020-08-21 16:31:26,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:27,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-21 16:31:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:29,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-21 16:31:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2020-08-21 16:31:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:31,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 88087 backedges. 1884 proven. 10424 refuted. 0 times theorem prover too weak. 75779 trivial. 0 not checked. [2020-08-21 16:31:33,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036401702] [2020-08-21 16:31:33,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:33,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-21 16:31:33,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49954347] [2020-08-21 16:31:33,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-21 16:31:33,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:33,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-21 16:31:33,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2020-08-21 16:31:33,613 INFO L87 Difference]: Start difference. First operand 1524 states and 2502 transitions. Second operand 24 states. [2020-08-21 16:31:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:35,113 INFO L93 Difference]: Finished difference Result 2152 states and 3782 transitions. [2020-08-21 16:31:35,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-08-21 16:31:35,113 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1716 [2020-08-21 16:31:35,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:35,125 INFO L225 Difference]: With dead ends: 2152 [2020-08-21 16:31:35,125 INFO L226 Difference]: Without dead ends: 642 [2020-08-21 16:31:35,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=559, Invalid=3601, Unknown=0, NotChecked=0, Total=4160 [2020-08-21 16:31:35,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2020-08-21 16:31:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 580. [2020-08-21 16:31:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-08-21 16:31:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 890 transitions. [2020-08-21 16:31:35,173 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 890 transitions. Word has length 1716 [2020-08-21 16:31:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:35,177 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 890 transitions. [2020-08-21 16:31:35,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-21 16:31:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 890 transitions. [2020-08-21 16:31:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 16:31:35,184 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:35,185 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:35,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 16:31:35,187 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:35,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:35,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-21 16:31:35,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:35,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935031145] [2020-08-21 16:31:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:35,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:35,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 16:31:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:36,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-21 16:31:36,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935031145] [2020-08-21 16:31:36,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:36,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 16:31:36,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373634935] [2020-08-21 16:31:36,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 16:31:36,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:36,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 16:31:36,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-21 16:31:36,902 INFO L87 Difference]: Start difference. First operand 580 states and 890 transitions. Second operand 14 states. [2020-08-21 16:31:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:37,303 INFO L93 Difference]: Finished difference Result 1401 states and 2224 transitions. [2020-08-21 16:31:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 16:31:37,303 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-21 16:31:37,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:37,321 INFO L225 Difference]: With dead ends: 1401 [2020-08-21 16:31:37,322 INFO L226 Difference]: Without dead ends: 1397 [2020-08-21 16:31:37,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-21 16:31:37,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-08-21 16:31:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1367. [2020-08-21 16:31:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-08-21 16:31:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 2162 transitions. [2020-08-21 16:31:37,406 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 2162 transitions. Word has length 749 [2020-08-21 16:31:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:37,407 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 2162 transitions. [2020-08-21 16:31:37,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 16:31:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 2162 transitions. [2020-08-21 16:31:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-21 16:31:37,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:37,421 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:37,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 16:31:37,421 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:37,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:37,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 14 times [2020-08-21 16:31:37,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:37,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916299297] [2020-08-21 16:31:37,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:37,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:37,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 16:31:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 16:31:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:39,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2639 proven. 3391 refuted. 0 times theorem prover too weak. 25606 trivial. 0 not checked. [2020-08-21 16:31:40,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916299297] [2020-08-21 16:31:40,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:40,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-21 16:31:40,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965605794] [2020-08-21 16:31:40,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-21 16:31:40,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:40,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-21 16:31:40,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-21 16:31:40,522 INFO L87 Difference]: Start difference. First operand 1367 states and 2162 transitions. Second operand 22 states. [2020-08-21 16:31:41,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:41,919 INFO L93 Difference]: Finished difference Result 3005 states and 5246 transitions. [2020-08-21 16:31:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-21 16:31:41,920 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1035 [2020-08-21 16:31:41,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:41,943 INFO L225 Difference]: With dead ends: 3005 [2020-08-21 16:31:41,943 INFO L226 Difference]: Without dead ends: 1658 [2020-08-21 16:31:41,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2413, Unknown=0, NotChecked=0, Total=2756 [2020-08-21 16:31:41,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2020-08-21 16:31:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1339. [2020-08-21 16:31:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-08-21 16:31:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2038 transitions. [2020-08-21 16:31:42,065 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2038 transitions. Word has length 1035 [2020-08-21 16:31:42,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:42,066 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 2038 transitions. [2020-08-21 16:31:42,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-21 16:31:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2038 transitions. [2020-08-21 16:31:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-21 16:31:42,084 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:42,084 INFO L422 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:42,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-21 16:31:42,085 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:42,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:42,085 INFO L82 PathProgramCache]: Analyzing trace with hash 416823031, now seen corresponding path program 15 times [2020-08-21 16:31:42,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:42,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438760206] [2020-08-21 16:31:42,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:43,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 16:31:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 16:31:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 16:31:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 16:31:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:31:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 16:31:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:31:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:31:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:31:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 581 proven. 4097 refuted. 0 times theorem prover too weak. 38907 trivial. 0 not checked. [2020-08-21 16:31:45,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438760206] [2020-08-21 16:31:45,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:31:45,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 16:31:45,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507016240] [2020-08-21 16:31:45,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 16:31:45,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:31:45,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 16:31:45,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-21 16:31:45,840 INFO L87 Difference]: Start difference. First operand 1339 states and 2038 transitions. Second operand 15 states. [2020-08-21 16:31:46,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:31:46,378 INFO L93 Difference]: Finished difference Result 2854 states and 4431 transitions. [2020-08-21 16:31:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-21 16:31:46,379 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1212 [2020-08-21 16:31:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:31:46,410 INFO L225 Difference]: With dead ends: 2854 [2020-08-21 16:31:46,410 INFO L226 Difference]: Without dead ends: 2850 [2020-08-21 16:31:46,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2020-08-21 16:31:46,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2850 states. [2020-08-21 16:31:46,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2850 to 2808. [2020-08-21 16:31:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2808 states. [2020-08-21 16:31:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4350 transitions. [2020-08-21 16:31:46,598 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 4350 transitions. Word has length 1212 [2020-08-21 16:31:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:31:46,599 INFO L479 AbstractCegarLoop]: Abstraction has 2808 states and 4350 transitions. [2020-08-21 16:31:46,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 16:31:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 4350 transitions. [2020-08-21 16:31:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1853 [2020-08-21 16:31:46,635 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:31:46,636 INFO L422 BasicCegarLoop]: trace histogram [137, 137, 134, 134, 111, 108, 68, 68, 68, 68, 68, 68, 68, 67, 67, 67, 67, 67, 67, 67, 44, 40, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:31:46,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-21 16:31:46,636 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:31:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:31:46,637 INFO L82 PathProgramCache]: Analyzing trace with hash 763333630, now seen corresponding path program 16 times [2020-08-21 16:31:46,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:31:46,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678568658] [2020-08-21 16:31:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:31:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:47,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:31:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:47,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 16:31:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:48,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:31:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 16:31:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat