/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_15-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:44:16,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:44:16,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:44:16,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:44:16,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:44:16,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:44:16,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:44:16,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:44:16,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:44:16,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:44:16,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:44:16,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:44:16,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:44:16,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:44:16,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:44:16,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:44:16,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:44:16,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:44:16,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:44:16,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:44:16,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:44:16,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:44:16,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:44:16,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:44:16,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:44:16,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:44:16,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:44:16,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:44:16,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:44:16,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:44:16,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:44:16,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:44:16,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:44:16,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:44:16,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:44:16,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:44:16,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:44:16,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:44:16,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:44:16,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:44:16,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:44:16,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 07:44:16,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:44:16,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:44:16,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:44:16,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:44:16,628 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:44:16,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:44:16,628 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:44:16,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:44:16,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:44:16,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:44:16,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:44:16,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:44:16,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:44:16,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:44:16,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:44:16,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:44:16,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:44:16,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:44:16,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:44:16,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:44:16,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:44:16,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:44:16,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:44:16,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:44:16,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:44:16,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:44:16,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:44:16,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:44:16,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:44:16,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:44:17,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:44:17,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:44:17,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:44:17,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:44:17,088 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:44:17,090 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-09-25 07:44:17,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1121b294/0bf9a6b6b50b418393521504a56dad44/FLAG138a0bf26 [2020-09-25 07:44:17,694 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:44:17,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-09-25 07:44:17,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1121b294/0bf9a6b6b50b418393521504a56dad44/FLAG138a0bf26 [2020-09-25 07:44:18,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1121b294/0bf9a6b6b50b418393521504a56dad44 [2020-09-25 07:44:18,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:44:18,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:44:18,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:44:18,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:44:18,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:44:18,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54535c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18, skipping insertion in model container [2020-09-25 07:44:18,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:44:18,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:44:18,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:44:18,332 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:44:18,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:44:18,364 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:44:18,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18 WrapperNode [2020-09-25 07:44:18,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:44:18,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:44:18,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:44:18,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:44:18,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... [2020-09-25 07:44:18,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:44:18,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:44:18,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:44:18,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:44:18,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:44:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:44:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:44:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-25 07:44:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-25 07:44:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:44:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:44:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:44:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-25 07:44:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-25 07:44:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:44:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:44:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:44:18,824 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:44:18,824 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 07:44:18,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:44:18 BoogieIcfgContainer [2020-09-25 07:44:18,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:44:18,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:44:18,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:44:18,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:44:18,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:44:18" (1/3) ... [2020-09-25 07:44:18,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57daf807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:44:18, skipping insertion in model container [2020-09-25 07:44:18,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:44:18" (2/3) ... [2020-09-25 07:44:18,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57daf807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:44:18, skipping insertion in model container [2020-09-25 07:44:18,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:44:18" (3/3) ... [2020-09-25 07:44:18,849 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2020-09-25 07:44:18,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:44:18,880 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:44:18,901 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:44:18,932 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:44:18,932 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:44:18,933 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:44:18,933 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:44:18,933 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:44:18,933 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:44:18,933 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:44:18,934 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:44:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-25 07:44:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-25 07:44:18,965 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:18,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:18,967 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:18,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:18,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-09-25 07:44:18,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:18,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260513641] [2020-09-25 07:44:18,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 07:44:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 07:44:19,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:19,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:44:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 07:44:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:44:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:19,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:19,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:19,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:44:19,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:19,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:19,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:19,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:19,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:19,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 07:44:19,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:19,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:44:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:44:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:44:19,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260513641] [2020-09-25 07:44:19,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:44:19,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:44:19,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989108441] [2020-09-25 07:44:19,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:44:19,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:19,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:44:19,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:44:19,339 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-09-25 07:44:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:19,464 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-09-25 07:44:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:44:19,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-25 07:44:19,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:19,481 INFO L225 Difference]: With dead ends: 58 [2020-09-25 07:44:19,481 INFO L226 Difference]: Without dead ends: 42 [2020-09-25 07:44:19,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:44:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-25 07:44:19,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-25 07:44:19,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-25 07:44:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-25 07:44:19,542 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-09-25 07:44:19,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:19,543 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-25 07:44:19,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:44:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-25 07:44:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-25 07:44:19,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:19,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:19,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:44:19,547 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:19,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:19,547 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-09-25 07:44:19,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:19,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806424447] [2020-09-25 07:44:19,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:19,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 07:44:19,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 07:44:19,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:19,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:19,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:44:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:44:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:44:19,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:19,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:19,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:19,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:44:19,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:19,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:19,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:19,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 07:44:19,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:19,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:44:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:19,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:19,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:44:19,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806424447] [2020-09-25 07:44:19,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:44:19,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:44:19,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012342233] [2020-09-25 07:44:19,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:44:19,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:19,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:44:19,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:44:19,746 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-09-25 07:44:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:19,818 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-09-25 07:44:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:44:19,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-25 07:44:19,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:19,821 INFO L225 Difference]: With dead ends: 50 [2020-09-25 07:44:19,821 INFO L226 Difference]: Without dead ends: 44 [2020-09-25 07:44:19,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:44:19,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-25 07:44:19,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-09-25 07:44:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-25 07:44:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-25 07:44:19,832 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-09-25 07:44:19,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:19,833 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-25 07:44:19,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:44:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-25 07:44:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 07:44:19,835 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:19,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:19,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:44:19,836 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:19,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:19,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-09-25 07:44:19,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:19,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951508373] [2020-09-25 07:44:19,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:19,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:20,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 07:44:20,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:44:20,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 616 [2020-09-25 07:44:20,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:20,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:44:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 07:44:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:44:20,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:20,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:20,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:20,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:44:20,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:20,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:20,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:20,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 07:44:20,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:44:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 07:44:20,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:20,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:44:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 07:44:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:20,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:20,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:20,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:44:20,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:20,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:44:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 07:44:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:20,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:20,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:20,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:44:20,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:20,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:44:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 07:44:20,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951508373] [2020-09-25 07:44:20,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:44:20,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 07:44:20,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284970265] [2020-09-25 07:44:20,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 07:44:20,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:20,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 07:44:20,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:44:20,811 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-09-25 07:44:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:20,931 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2020-09-25 07:44:20,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:44:20,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-25 07:44:20,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:20,934 INFO L225 Difference]: With dead ends: 58 [2020-09-25 07:44:20,934 INFO L226 Difference]: Without dead ends: 52 [2020-09-25 07:44:20,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:44:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-09-25 07:44:20,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2020-09-25 07:44:20,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-25 07:44:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2020-09-25 07:44:20,946 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 33 [2020-09-25 07:44:20,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:20,947 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2020-09-25 07:44:20,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 07:44:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2020-09-25 07:44:20,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 07:44:20,949 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:20,949 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:20,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:44:20,950 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:20,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:20,950 INFO L82 PathProgramCache]: Analyzing trace with hash 186293384, now seen corresponding path program 1 times [2020-09-25 07:44:20,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:20,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208680506] [2020-09-25 07:44:20,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:20,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:21,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 07:44:21,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:44:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 544 [2020-09-25 07:44:21,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:21,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:21,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:44:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 07:44:21,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:21,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:44:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:21,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:21,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:21,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:21,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:22,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 07:44:22,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:44:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-09-25 07:44:22,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:22,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:44:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 07:44:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:22,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:22,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:22,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 07:44:22,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:22,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:44:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:44:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:22,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 07:44:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:22,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:22,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:22,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 07:44:22,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:22,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:22,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 07:44:22,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208680506] [2020-09-25 07:44:22,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:44:22,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 07:44:22,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569806243] [2020-09-25 07:44:22,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 07:44:22,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:22,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 07:44:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:44:22,131 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand 7 states. [2020-09-25 07:44:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:22,298 INFO L93 Difference]: Finished difference Result 110 states and 146 transitions. [2020-09-25 07:44:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:44:22,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-09-25 07:44:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:22,305 INFO L225 Difference]: With dead ends: 110 [2020-09-25 07:44:22,305 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 07:44:22,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:44:22,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 07:44:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 54. [2020-09-25 07:44:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-25 07:44:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2020-09-25 07:44:22,327 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 35 [2020-09-25 07:44:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:22,329 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2020-09-25 07:44:22,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 07:44:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2020-09-25 07:44:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 07:44:22,334 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:22,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:22,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:44:22,340 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:22,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:22,341 INFO L82 PathProgramCache]: Analyzing trace with hash 758565477, now seen corresponding path program 1 times [2020-09-25 07:44:22,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:22,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756958730] [2020-09-25 07:44:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:22,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:22,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:27,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:27,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 07:44:27,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 07:44:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 07:44:27,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:27,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:44:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 07:44:27,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:27,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:27,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:27,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:27,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:44:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:27,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:27,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:27,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:27,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:27,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:28,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:30,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:30,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 07:44:30,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 07:44:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3357 [2020-09-25 07:44:30,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:30,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:44:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-25 07:44:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:30,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:30,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:30,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:31,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 07:44:31,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:44:31,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-25 07:44:31,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:31,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 07:44:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 07:44:31,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:31,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:31,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:31,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:31,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:44:31,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:31,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:44:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:31,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 07:44:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:31,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:31,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:44:31,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:31,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:44:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 07:44:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:31,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:31,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:31,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:31,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:44:31,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:31,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 07:44:31,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756958730] [2020-09-25 07:44:31,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:44:31,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 07:44:31,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491884539] [2020-09-25 07:44:31,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:44:31,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:31,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:44:31,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:44:31,190 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 9 states. [2020-09-25 07:44:31,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:31,381 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2020-09-25 07:44:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 07:44:31,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-09-25 07:44:31,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:31,384 INFO L225 Difference]: With dead ends: 78 [2020-09-25 07:44:31,384 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 07:44:31,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-09-25 07:44:31,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 07:44:31,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-09-25 07:44:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 07:44:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2020-09-25 07:44:31,400 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 51 [2020-09-25 07:44:31,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:31,401 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2020-09-25 07:44:31,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:44:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-09-25 07:44:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 07:44:31,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:31,408 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:31,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 07:44:31,408 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:31,409 INFO L82 PathProgramCache]: Analyzing trace with hash -387134248, now seen corresponding path program 1 times [2020-09-25 07:44:31,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:31,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545584873] [2020-09-25 07:44:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:31,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:32,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:32,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:33,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:36,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-25 07:44:36,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-09-25 07:44:36,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 07:44:36,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:36,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:36,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:44:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 07:44:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:36,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:36,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:36,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:36,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:36,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:44:36,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:36,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:36,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:36,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:36,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:36,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:36,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:38,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:39,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 07:44:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-09-25 07:44:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 07:44:41,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:44:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 07:44:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:44:41,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 07:44:41,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:41,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 07:44:41,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 07:44:41,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:44:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:41,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:41,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:44:41,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:41,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 07:44:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:41,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:41,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:44:41,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:41,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 07:44:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:41,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 07:44:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:44:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 07:44:41,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 07:44:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 07:44:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:44:41,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:41,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:41,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:44:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:41,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 07:44:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:41,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:41,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:41,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:44:41,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:44:41,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:41,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:44:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 07:44:41,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545584873] [2020-09-25 07:44:41,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:44:41,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 07:44:41,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934854494] [2020-09-25 07:44:41,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 07:44:41,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:41,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 07:44:41,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 07:44:41,836 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand 8 states. [2020-09-25 07:44:42,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:42,034 INFO L93 Difference]: Finished difference Result 88 states and 122 transitions. [2020-09-25 07:44:42,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 07:44:42,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-25 07:44:42,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:42,036 INFO L225 Difference]: With dead ends: 88 [2020-09-25 07:44:42,037 INFO L226 Difference]: Without dead ends: 82 [2020-09-25 07:44:42,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:44:42,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-25 07:44:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2020-09-25 07:44:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-25 07:44:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2020-09-25 07:44:42,050 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 69 [2020-09-25 07:44:42,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:42,051 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2020-09-25 07:44:42,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 07:44:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2020-09-25 07:44:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 07:44:42,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:42,053 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:42,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 07:44:42,054 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:42,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1208671938, now seen corresponding path program 1 times [2020-09-25 07:44:42,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:42,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561635473] [2020-09-25 07:44:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:42,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:44,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:44,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:44,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:44,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:45,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:47,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 07:44:47,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-09-25 07:44:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 07:44:47,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:47,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:44:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 07:44:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:47,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:47,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:47,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:44:47,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:47,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:47,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:47,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:47,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:49,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 07:44:52,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-09-25 07:44:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 07:44:52,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:44:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:44:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 07:44:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:44:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 07:44:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:44:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 07:44:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 07:44:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:52,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:52,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:44:52,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:52,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 07:44:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:52,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:44:52,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:52,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:52,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 07:44:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 07:44:52,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:44:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 07:44:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 07:44:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 07:44:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:52,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:44:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:52,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 07:44:52,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:44:52,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:52,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:44:52,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:52,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 07:44:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:52,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:44:52,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:44:52,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:52,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:44:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:44:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-25 07:44:52,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561635473] [2020-09-25 07:44:52,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:44:52,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 07:44:52,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69784108] [2020-09-25 07:44:52,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 07:44:52,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:44:52,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 07:44:52,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 07:44:52,578 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand 8 states. [2020-09-25 07:44:52,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:44:52,763 INFO L93 Difference]: Finished difference Result 126 states and 190 transitions. [2020-09-25 07:44:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 07:44:52,764 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-25 07:44:52,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:44:52,767 INFO L225 Difference]: With dead ends: 126 [2020-09-25 07:44:52,767 INFO L226 Difference]: Without dead ends: 120 [2020-09-25 07:44:52,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:44:52,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-25 07:44:52,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 100. [2020-09-25 07:44:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-25 07:44:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2020-09-25 07:44:52,795 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 71 [2020-09-25 07:44:52,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:44:52,795 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2020-09-25 07:44:52,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 07:44:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-09-25 07:44:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-25 07:44:52,797 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:44:52,798 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:44:52,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 07:44:52,798 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:44:52,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:44:52,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1801853252, now seen corresponding path program 1 times [2020-09-25 07:44:52,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:44:52,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868296225] [2020-09-25 07:44:52,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:44:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:52,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:52,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:53,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:53,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:54,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:54,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:54,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:57,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-25 07:44:57,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-09-25 07:44:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 07:44:57,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:57,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:44:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:44:57,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 07:44:57,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:44:57,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:44:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:57,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:44:57,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:44:57,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:44:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:44:57,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:44:57,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:44:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:44:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:44:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:44:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:44:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:44:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:44:57,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:58,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:58,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:44:58,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:00,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:00,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:01,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:02,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:02,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:02,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-25 07:45:02,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-09-25 07:45:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 07:45:02,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:02,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:45:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-25 07:45:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:45:02,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:02,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:45:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:02,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:02,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:02,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:02,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 07:45:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:45:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-09-25 07:45:03,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:03,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:45:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:45:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:03,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:45:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:03,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:03,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 07:45:03,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:45:03,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 07:45:03,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:03,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:45:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:45:03,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:03,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:45:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:03,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:03,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:45:03,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:45:03,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:03,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:45:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:45:03,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:03,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 07:45:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:03,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:45:03,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:03,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:45:03,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 07:45:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:03,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:03,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:45:03,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:45:03,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:03,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:45:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:45:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:03,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 07:45:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:03,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:04,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:04,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 07:45:04,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:45:04,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-09-25 07:45:04,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:04,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:45:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 07:45:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 07:45:04,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:45:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:04,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:04,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:04,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 07:45:04,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:45:04,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 07:45:04,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:04,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:04,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:45:04,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 07:45:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:45:04,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:45:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:45:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:45:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:04,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:45:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:45:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 07:45:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:04,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:04,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:04,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:45:04,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:04,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:45:04,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:04,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:45:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:45:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:45:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 07:45:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:04,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:04,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:04,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:45:04,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 07:45:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:04,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:45:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:45:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:45:04,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 79 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-25 07:45:04,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868296225] [2020-09-25 07:45:04,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:45:04,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 07:45:04,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665187030] [2020-09-25 07:45:04,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:45:04,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:45:04,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:45:04,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:45:04,726 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 10 states. [2020-09-25 07:45:04,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:45:04,966 INFO L93 Difference]: Finished difference Result 232 states and 403 transitions. [2020-09-25 07:45:04,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 07:45:04,972 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-09-25 07:45:04,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:45:04,974 INFO L225 Difference]: With dead ends: 232 [2020-09-25 07:45:04,975 INFO L226 Difference]: Without dead ends: 138 [2020-09-25 07:45:04,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-25 07:45:04,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-09-25 07:45:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 114. [2020-09-25 07:45:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-25 07:45:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 180 transitions. [2020-09-25 07:45:05,002 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 180 transitions. Word has length 103 [2020-09-25 07:45:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:45:05,002 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 180 transitions. [2020-09-25 07:45:05,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 07:45:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2020-09-25 07:45:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-25 07:45:05,005 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:45:05,005 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:45:05,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 07:45:05,005 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:45:05,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:45:05,006 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 1 times [2020-09-25 07:45:05,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:45:05,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707003269] [2020-09-25 07:45:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:45:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:05,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:05,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:05,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:06,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:06,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:09,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:10,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-25 07:45:10,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-09-25 07:45:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 07:45:10,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:10,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 07:45:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:45:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 07:45:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:45:10,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:45:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:45:10,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:45:10,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:45:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:45:10,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:45:10,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:45:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:45:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:45:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:45:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:45:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 07:45:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:45:10,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:10,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:11,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:11,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:45:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking...