/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/sum_25x0-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:11:59,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:11:59,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:11:59,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:11:59,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:11:59,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:11:59,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:11:59,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:11:59,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:11:59,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:11:59,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:11:59,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:11:59,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:11:59,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:11:59,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:11:59,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:11:59,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:11:59,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:11:59,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:11:59,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:11:59,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:11:59,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:11:59,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:11:59,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:11:59,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:11:59,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:11:59,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:11:59,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:11:59,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:11:59,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:11:59,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:11:59,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:11:59,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:11:59,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:11:59,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:11:59,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:11:59,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:11:59,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:11:59,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:11:59,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:11:59,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:11:59,618 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 [2020-10-29 12:11:59,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:11:59,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:11:59,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:11:59,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:11:59,653 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:11:59,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:11:59,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:11:59,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:11:59,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:11:59,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:11:59,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:11:59,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:11:59,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:11:59,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:11:59,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:11:59,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:11:59,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:11:59,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:11:59,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:11:59,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:11:59,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:11:59,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:11:59,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:11:59,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:11:59,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:11:59,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:11:59,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:11:59,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:11:59,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:11:59,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:12:00,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:12:00,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:12:00,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:12:00,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:12:00,124 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:12:00,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/sum_25x0-2.c [2020-10-29 12:12:00,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e21e0abae/d35f3f7cde0b4a6d86d89000d7f87a42/FLAG6a33441dd [2020-10-29 12:12:00,910 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:12:00,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/sum_25x0-2.c [2020-10-29 12:12:00,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e21e0abae/d35f3f7cde0b4a6d86d89000d7f87a42/FLAG6a33441dd [2020-10-29 12:12:01,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e21e0abae/d35f3f7cde0b4a6d86d89000d7f87a42 [2020-10-29 12:12:01,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:12:01,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:12:01,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:12:01,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:12:01,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:12:01,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591cc23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01, skipping insertion in model container [2020-10-29 12:12:01,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:12:01,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:12:01,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:12:01,487 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:12:01,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:12:01,517 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:12:01,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01 WrapperNode [2020-10-29 12:12:01,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:12:01,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:12:01,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:12:01,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:12:01,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (1/1) ... [2020-10-29 12:12:01,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:12:01,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:12:01,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:12:01,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:12:01,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (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 [2020-10-29 12:12:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:12:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:12:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:12:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-10-29 12:12:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:12:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:12:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:12:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:12:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:12:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-10-29 12:12:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:12:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:12:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:12:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:12:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:12:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:12:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:12:01,901 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:12:01,902 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:12:01,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:12:01 BoogieIcfgContainer [2020-10-29 12:12:01,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:12:01,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:12:01,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:12:01,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:12:01,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:12:01" (1/3) ... [2020-10-29 12:12:01,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571bc768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:12:01, skipping insertion in model container [2020-10-29 12:12:01,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:12:01" (2/3) ... [2020-10-29 12:12:01,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571bc768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:12:01, skipping insertion in model container [2020-10-29 12:12:01,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:12:01" (3/3) ... [2020-10-29 12:12:01,914 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_25x0-2.c [2020-10-29 12:12:01,927 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:12:01,933 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:12:01,952 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:12:01,984 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:12:01,984 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:12:01,984 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:12:01,984 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:12:01,985 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:12:01,985 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:12:01,985 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:12:01,985 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:12:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-29 12:12:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:12:02,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:02,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:02,034 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:02,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:02,049 INFO L82 PathProgramCache]: Analyzing trace with hash -2012080153, now seen corresponding path program 1 times [2020-10-29 12:12:02,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:02,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850947587] [2020-10-29 12:12:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:02,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:02,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:02,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:02,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:02,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-29 12:12:02,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:02,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:12:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:12:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 12:12:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:02,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:02,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:02,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:02,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:12:02,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:02,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:02,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:02,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:02,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:02,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:02,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:02,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:02,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:02,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:12:02,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:02,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:02,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:12:02,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:02,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:12:02,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:12:02,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850947587] [2020-10-29 12:12:02,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:12:02,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:12:02,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855408982] [2020-10-29 12:12:02,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:12:02,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:02,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:12:02,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:12:02,956 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2020-10-29 12:12:03,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:03,196 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2020-10-29 12:12:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:12:03,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:12:03,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:03,220 INFO L225 Difference]: With dead ends: 36 [2020-10-29 12:12:03,221 INFO L226 Difference]: Without dead ends: 20 [2020-10-29 12:12:03,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:12:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-29 12:12:03,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-29 12:12:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-29 12:12:03,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-29 12:12:03,274 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2020-10-29 12:12:03,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:03,274 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-29 12:12:03,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:12:03,275 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-29 12:12:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-29 12:12:03,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:03,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:03,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:12:03,278 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:03,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:03,279 INFO L82 PathProgramCache]: Analyzing trace with hash -292229313, now seen corresponding path program 1 times [2020-10-29 12:12:03,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:03,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302716146] [2020-10-29 12:12:03,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:03,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:03,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-29 12:12:03,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:12:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:03,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:03,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:03,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:03,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:03,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:12:03,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:03,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:03,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:03,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:03,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:03,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 12:12:03,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:03,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:12:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:12:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:03,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:03,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:03,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:03,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 12:12:03,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302716146] [2020-10-29 12:12:03,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:03,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 12:12:03,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970452708] [2020-10-29 12:12:03,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 12:12:03,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:03,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 12:12:03,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:12:03,750 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 7 states. [2020-10-29 12:12:03,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:03,954 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-29 12:12:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 12:12:03,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-29 12:12:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:03,957 INFO L225 Difference]: With dead ends: 28 [2020-10-29 12:12:03,957 INFO L226 Difference]: Without dead ends: 23 [2020-10-29 12:12:03,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:12:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-29 12:12:03,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-29 12:12:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-29 12:12:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-29 12:12:03,967 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2020-10-29 12:12:03,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:03,967 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-29 12:12:03,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 12:12:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-29 12:12:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 12:12:03,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:03,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:03,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:12:03,969 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:03,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:03,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1887732007, now seen corresponding path program 2 times [2020-10-29 12:12:03,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:03,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363112499] [2020-10-29 12:12:03,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:04,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:04,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:04,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:04,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-29 12:12:04,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:04,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:12:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:12:04,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:04,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:04,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:04,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:04,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:04,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:12:04,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:04,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:04,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:04,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:04,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:04,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:04,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:04,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:04,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 12:12:04,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:04,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:12:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 12:12:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:04,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:04,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:04,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:04,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:04,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 12:12:04,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:04,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:04,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:04,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:04,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:04,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:04,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:12:04,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:04,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 12:12:04,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363112499] [2020-10-29 12:12:04,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:04,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:12:04,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336884495] [2020-10-29 12:12:04,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:12:04,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:04,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:12:04,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:12:04,531 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 9 states. [2020-10-29 12:12:04,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:04,799 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-29 12:12:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:12:04,799 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-29 12:12:04,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:04,801 INFO L225 Difference]: With dead ends: 31 [2020-10-29 12:12:04,801 INFO L226 Difference]: Without dead ends: 26 [2020-10-29 12:12:04,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:12:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-29 12:12:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-29 12:12:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-29 12:12:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-29 12:12:04,811 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 27 [2020-10-29 12:12:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:04,811 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-29 12:12:04,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:12:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-29 12:12:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-29 12:12:04,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:04,813 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:04,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:12:04,813 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:04,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:04,814 INFO L82 PathProgramCache]: Analyzing trace with hash 779050623, now seen corresponding path program 3 times [2020-10-29 12:12:04,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:04,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648045827] [2020-10-29 12:12:04,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:04,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:05,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-29 12:12:05,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:12:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:12:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:05,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:05,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:05,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:05,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:05,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:05,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:05,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:05,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:05,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:05,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 12:12:05,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:12:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 12:12:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:05,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:05,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:05,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 12:12:05,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:05,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:05,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:05,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:05,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:05,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:12:05,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:05,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 12:12:05,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648045827] [2020-10-29 12:12:05,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:05,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:12:05,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054511098] [2020-10-29 12:12:05,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:12:05,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:05,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:12:05,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:12:05,416 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 10 states. [2020-10-29 12:12:05,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:05,755 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-29 12:12:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:12:05,756 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2020-10-29 12:12:05,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:05,757 INFO L225 Difference]: With dead ends: 34 [2020-10-29 12:12:05,757 INFO L226 Difference]: Without dead ends: 29 [2020-10-29 12:12:05,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:12:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-29 12:12:05,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-29 12:12:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-29 12:12:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-10-29 12:12:05,766 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 33 [2020-10-29 12:12:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:05,766 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-10-29 12:12:05,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:12:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-10-29 12:12:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-29 12:12:05,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:05,768 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:05,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:12:05,768 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:05,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:05,769 INFO L82 PathProgramCache]: Analyzing trace with hash -184104345, now seen corresponding path program 4 times [2020-10-29 12:12:05,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:05,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978532814] [2020-10-29 12:12:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:05,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:05,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-29 12:12:05,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:05,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:12:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:12:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:06,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:06,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:06,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:06,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:06,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:06,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:06,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:06,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:06,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:06,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:06,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:06,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:06,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:06,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:06,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 12:12:06,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:06,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:12:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:12:06,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:06,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:06,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:06,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 12:12:06,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:06,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:06,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:06,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:06,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:06,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:06,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 12:12:06,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:06,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:06,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:06,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:06,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:06,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:06,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:06,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:12:06,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:06,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:06,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:06,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:06,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:06,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:06,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:12:06,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:06,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 12:12:06,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978532814] [2020-10-29 12:12:06,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:06,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:12:06,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409055149] [2020-10-29 12:12:06,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:12:06,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:06,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:12:06,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:12:06,486 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 11 states. [2020-10-29 12:12:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:06,863 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-29 12:12:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:12:06,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-10-29 12:12:06,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:06,865 INFO L225 Difference]: With dead ends: 37 [2020-10-29 12:12:06,866 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:12:06,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:12:06,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:12:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:12:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:12:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-29 12:12:06,875 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 39 [2020-10-29 12:12:06,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:06,875 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-29 12:12:06,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:12:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-29 12:12:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-29 12:12:06,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:06,877 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:06,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:12:06,878 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:06,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:06,878 INFO L82 PathProgramCache]: Analyzing trace with hash -6214209, now seen corresponding path program 5 times [2020-10-29 12:12:06,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:06,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804733900] [2020-10-29 12:12:06,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:06,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:07,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-29 12:12:07,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:12:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:07,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:07,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:12:07,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:07,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:07,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 12:12:07,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:12:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:12:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:07,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 12:12:07,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:07,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:07,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:07,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 12:12:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:07,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 12:12:07,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 12:12:07,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:07,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:07,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:07,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:07,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:07,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:07,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:12:07,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:07,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:07,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-29 12:12:07,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804733900] [2020-10-29 12:12:07,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:07,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:12:07,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621727085] [2020-10-29 12:12:07,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:12:07,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:07,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:12:07,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:12:07,854 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 12 states. [2020-10-29 12:12:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:08,282 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-29 12:12:08,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 12:12:08,283 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2020-10-29 12:12:08,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:08,284 INFO L225 Difference]: With dead ends: 40 [2020-10-29 12:12:08,285 INFO L226 Difference]: Without dead ends: 35 [2020-10-29 12:12:08,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-29 12:12:08,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-29 12:12:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-29 12:12:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-29 12:12:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-29 12:12:08,293 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 45 [2020-10-29 12:12:08,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:08,293 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-29 12:12:08,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:12:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-29 12:12:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-29 12:12:08,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:08,295 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:08,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:12:08,296 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:08,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:08,296 INFO L82 PathProgramCache]: Analyzing trace with hash -2097613913, now seen corresponding path program 6 times [2020-10-29 12:12:08,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:08,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539261116] [2020-10-29 12:12:08,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:08,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:08,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:08,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-29 12:12:08,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:08,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:12:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 12:12:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:08,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:08,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:08,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:08,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:08,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:08,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:08,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:08,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:08,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:08,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:08,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-29 12:12:08,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:08,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:12:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 12:12:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:08,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:08,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:09,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:09,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:09,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:09,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-29 12:12:09,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:09,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:09,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:09,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:09,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:09,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:09,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:09,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:09,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:09,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:09,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 12:12:09,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:09,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:09,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:09,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:09,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 12:12:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:09,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:09,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:09,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 12:12:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:09,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:09,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:09,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:09,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:12:09,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:09,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:09,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:09,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:09,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:09,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:09,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:12:09,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:09,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:09,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:09,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 73 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-29 12:12:09,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539261116] [2020-10-29 12:12:09,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:09,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:12:09,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031399262] [2020-10-29 12:12:09,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:12:09,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:09,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:12:09,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:12:09,499 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 13 states. [2020-10-29 12:12:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:09,996 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-29 12:12:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:12:09,996 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 51 [2020-10-29 12:12:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:09,997 INFO L225 Difference]: With dead ends: 43 [2020-10-29 12:12:09,998 INFO L226 Difference]: Without dead ends: 38 [2020-10-29 12:12:09,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:12:09,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-29 12:12:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-29 12:12:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-29 12:12:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2020-10-29 12:12:10,006 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 51 [2020-10-29 12:12:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:10,007 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2020-10-29 12:12:10,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:12:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-10-29 12:12:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 12:12:10,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:10,008 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:10,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:12:10,009 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:10,010 INFO L82 PathProgramCache]: Analyzing trace with hash -437625601, now seen corresponding path program 7 times [2020-10-29 12:12:10,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:10,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450363238] [2020-10-29 12:12:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:10,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:10,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:10,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:10,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-29 12:12:10,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:10,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:10,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 12:12:10,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:12:10,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:10,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:10,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:10,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:10,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:10,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:10,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:10,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:10,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:10,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:10,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:10,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-29 12:12:10,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:10,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 12:12:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:12:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:10,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:10,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:10,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:10,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:10,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-29 12:12:10,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:10,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:10,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:10,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:11,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:11,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:11,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 12:12:11,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:11,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:11,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:11,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:11,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:11,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:11,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:12:11,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:11,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:11,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:11,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:11,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:11,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 12:12:11,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:11,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:11,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:11,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:11,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:11,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:11,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:11,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 12:12:11,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:11,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:11,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:11,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:11,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:11,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:11,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:11,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:12:11,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:11,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:11,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:11,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:11,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:11,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:11,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:11,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:12:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:11,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 23 proven. 81 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-29 12:12:11,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450363238] [2020-10-29 12:12:11,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:11,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:12:11,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662338943] [2020-10-29 12:12:11,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:12:11,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:11,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:12:11,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:12:11,571 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 14 states. [2020-10-29 12:12:12,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:12,077 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-29 12:12:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:12:12,077 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2020-10-29 12:12:12,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:12,078 INFO L225 Difference]: With dead ends: 46 [2020-10-29 12:12:12,079 INFO L226 Difference]: Without dead ends: 41 [2020-10-29 12:12:12,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:12:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-29 12:12:12,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-29 12:12:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-29 12:12:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-10-29 12:12:12,086 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 57 [2020-10-29 12:12:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:12,087 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-10-29 12:12:12,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:12:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-10-29 12:12:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-29 12:12:12,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:12,088 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:12,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:12:12,089 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:12,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:12,089 INFO L82 PathProgramCache]: Analyzing trace with hash 331021543, now seen corresponding path program 8 times [2020-10-29 12:12:12,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:12,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547024984] [2020-10-29 12:12:12,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-29 12:12:12,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:12,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 12:12:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:12:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:12,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:12,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:12,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:12,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:12:12,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:12,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:12,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:12,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:12,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:12,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:12,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:12,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:12,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:12,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-29 12:12:12,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:12,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 12:12:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:12:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:12,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:12,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:13,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-29 12:12:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:13,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-29 12:12:13,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:13,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 12:12:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:13,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 12:12:13,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:13,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:13,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 12:12:13,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:13,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:13,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:12:13,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:13,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:12:13,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:13,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:13,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:13,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:13,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:13,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:13,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-29 12:12:14,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547024984] [2020-10-29 12:12:14,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:14,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 12:12:14,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93220132] [2020-10-29 12:12:14,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:12:14,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:14,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:12:14,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:12:14,031 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 16 states. [2020-10-29 12:12:14,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:14,595 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-29 12:12:14,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:12:14,596 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2020-10-29 12:12:14,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:14,597 INFO L225 Difference]: With dead ends: 49 [2020-10-29 12:12:14,597 INFO L226 Difference]: Without dead ends: 44 [2020-10-29 12:12:14,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:12:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-29 12:12:14,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-29 12:12:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:12:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2020-10-29 12:12:14,606 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 63 [2020-10-29 12:12:14,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:14,606 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2020-10-29 12:12:14,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:12:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2020-10-29 12:12:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 12:12:14,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:14,607 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:14,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:12:14,608 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:14,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:14,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1458901953, now seen corresponding path program 9 times [2020-10-29 12:12:14,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:14,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290349415] [2020-10-29 12:12:14,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:15,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:15,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:15,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-29 12:12:15,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:15,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 12:12:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 12:12:15,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:15,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:15,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:15,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:15,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:15,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:15,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:15,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-29 12:12:15,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:15,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 12:12:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:12:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:15,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:15,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-29 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:15,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:16,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-29 12:12:16,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:16,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:16,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:16,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-29 12:12:16,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:16,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 12:12:16,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:16,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 12:12:16,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:16,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 12:12:16,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:16,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:16,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:16,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:12:16,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:16,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:16,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:12:16,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:16,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:16,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:16,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:16,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:16,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:12:16,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:16,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:16,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 28 proven. 142 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-29 12:12:16,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290349415] [2020-10-29 12:12:16,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:16,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 12:12:16,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609522198] [2020-10-29 12:12:16,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:12:16,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:16,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:12:16,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:12:16,902 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 16 states. [2020-10-29 12:12:17,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:17,567 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-29 12:12:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:12:17,568 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 69 [2020-10-29 12:12:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:17,569 INFO L225 Difference]: With dead ends: 52 [2020-10-29 12:12:17,569 INFO L226 Difference]: Without dead ends: 47 [2020-10-29 12:12:17,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=244, Invalid=512, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:12:17,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-29 12:12:17,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-29 12:12:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-29 12:12:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2020-10-29 12:12:17,585 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 69 [2020-10-29 12:12:17,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:17,589 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2020-10-29 12:12:17,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:12:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-10-29 12:12:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 12:12:17,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:17,590 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:17,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:12:17,590 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:17,594 INFO L82 PathProgramCache]: Analyzing trace with hash 749528615, now seen corresponding path program 10 times [2020-10-29 12:12:17,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:17,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345244715] [2020-10-29 12:12:17,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:17,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:18,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:18,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-29 12:12:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:18,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 12:12:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-29 12:12:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:18,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:18,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:18,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:18,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:18,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:18,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:12:18,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:18,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:18,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:18,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:18,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:18,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-29 12:12:18,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:18,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 12:12:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:18,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 12:12:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:18,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:18,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:19,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:19,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:19,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:19,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-29 12:12:19,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:19,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:19,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-29 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:19,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:19,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:19,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-29 12:12:19,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:19,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:19,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:19,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:19,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:19,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:19,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-29 12:12:19,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:19,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:19,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:19,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:19,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:19,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 12:12:19,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:19,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:19,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:19,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:19,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:20,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:20,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 12:12:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:20,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:20,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:20,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 12:12:20,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:20,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:20,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:20,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:20,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:20,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:20,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 12:12:20,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:20,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:20,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:20,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:20,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:20,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:12:20,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:20,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:20,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:20,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:20,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:20,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:20,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:20,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:20,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:12:20,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:20,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:20,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:20,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:20,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:20,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 18 proven. 189 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-10-29 12:12:20,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345244715] [2020-10-29 12:12:20,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:20,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:12:20,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952326944] [2020-10-29 12:12:20,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:12:20,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:20,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:12:20,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:12:20,350 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 17 states. [2020-10-29 12:12:21,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:21,015 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-29 12:12:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 12:12:21,015 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 75 [2020-10-29 12:12:21,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:21,017 INFO L225 Difference]: With dead ends: 55 [2020-10-29 12:12:21,017 INFO L226 Difference]: Without dead ends: 50 [2020-10-29 12:12:21,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:12:21,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-29 12:12:21,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-29 12:12:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-29 12:12:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-29 12:12:21,025 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 75 [2020-10-29 12:12:21,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:21,025 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-29 12:12:21,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:12:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-29 12:12:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 12:12:21,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:21,027 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:21,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:12:21,027 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:21,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:21,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1422056319, now seen corresponding path program 11 times [2020-10-29 12:12:21,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:21,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757434644] [2020-10-29 12:12:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:21,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:21,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:12:21,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-29 12:12:21,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:21,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 12:12:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:12:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:21,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:21,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:21,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:21,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:21,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:21,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:21,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:22,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:22,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:22,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:22,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-29 12:12:22,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:22,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 12:12:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 12:12:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:22,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:22,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:22,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-29 12:12:22,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:22,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:22,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:22,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-29 12:12:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:22,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:22,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-29 12:12:23,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:23,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:23,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-29 12:12:23,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:23,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:23,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-29 12:12:23,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:23,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:23,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:23,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 12:12:23,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:23,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:23,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 12:12:23,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:23,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 12:12:23,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:23,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:23,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:12:23,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:23,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:23,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:12:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:23,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:24,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:24,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:24,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:24,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:24,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:12:24,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:24,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:24,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 14 proven. 246 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-29 12:12:24,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757434644] [2020-10-29 12:12:24,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:24,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-29 12:12:24,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596336540] [2020-10-29 12:12:24,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 12:12:24,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:24,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 12:12:24,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2020-10-29 12:12:24,090 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 19 states. [2020-10-29 12:12:24,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:24,835 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-29 12:12:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:12:24,836 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 81 [2020-10-29 12:12:24,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:24,838 INFO L225 Difference]: With dead ends: 58 [2020-10-29 12:12:24,838 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 12:12:24,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=341, Invalid=715, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 12:12:24,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 12:12:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-29 12:12:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-29 12:12:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-10-29 12:12:24,845 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 81 [2020-10-29 12:12:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:24,846 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-10-29 12:12:24,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-29 12:12:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-10-29 12:12:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-29 12:12:24,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:24,847 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:24,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:12:24,847 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:24,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:24,848 INFO L82 PathProgramCache]: Analyzing trace with hash -550588569, now seen corresponding path program 12 times [2020-10-29 12:12:24,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:24,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944218513] [2020-10-29 12:12:24,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:24,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:25,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:25,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:12:25,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:25,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-29 12:12:25,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:25,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:25,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 12:12:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 12:12:25,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:25,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:25,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:25,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:25,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:12:25,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:25,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:25,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:25,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:26,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:26,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:26,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 12:12:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:26,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:26,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:26,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:26,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-29 12:12:26,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:26,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:12:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:12:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:26,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:26,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:26,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:26,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:26,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:26,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-29 12:12:26,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:26,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:26,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:26,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:26,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:27,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-29 12:12:27,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:27,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:27,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:27,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 12:12:27,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:27,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 12:12:27,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:27,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 12:12:27,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:27,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:27,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 12:12:27,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:27,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 12:12:27,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:27,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:27,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:27,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:27,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 12:12:27,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:27,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:27,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:27,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:28,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:28,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:28,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:12:28,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:28,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:28,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:28,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:28,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:28,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:28,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:12:28,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:28,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 27 proven. 258 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2020-10-29 12:12:28,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944218513] [2020-10-29 12:12:28,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:28,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-29 12:12:28,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017625484] [2020-10-29 12:12:28,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 12:12:28,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:28,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 12:12:28,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-10-29 12:12:28,144 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 19 states. [2020-10-29 12:12:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:28,992 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-29 12:12:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:12:28,993 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2020-10-29 12:12:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:28,994 INFO L225 Difference]: With dead ends: 61 [2020-10-29 12:12:28,994 INFO L226 Difference]: Without dead ends: 56 [2020-10-29 12:12:28,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=370, Invalid=752, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 12:12:28,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-29 12:12:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-29 12:12:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-29 12:12:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2020-10-29 12:12:29,004 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 87 [2020-10-29 12:12:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:29,005 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2020-10-29 12:12:29,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-29 12:12:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2020-10-29 12:12:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-29 12:12:29,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:29,006 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:29,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:12:29,006 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:29,007 INFO L82 PathProgramCache]: Analyzing trace with hash 953297599, now seen corresponding path program 13 times [2020-10-29 12:12:29,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:29,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829393122] [2020-10-29 12:12:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:29,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:29,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 12:12:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:29,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:29,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:29,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:29,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:29,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:12:29,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:29,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-29 12:12:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:29,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 12:12:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 12:12:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:30,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:30,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:12:30,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:30,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:12:30,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-29 12:12:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:30,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:12:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:12:30,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:30,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:30,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:31,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:31,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:31,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-29 12:12:31,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:31,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:31,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:31,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:31,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:31,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:31,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:31,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:31,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:31,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:31,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:31,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:31,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:31,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:31,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 12:12:31,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:31,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:31,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:31,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:31,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:31,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:31,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:31,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 12:12:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:31,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:31,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:31,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:32,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 12:12:32,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:32,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:32,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 12:12:32,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:32,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:32,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:32,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:32,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 12:12:32,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:32,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:32,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 12:12:32,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:32,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:32,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:32,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:32,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:12:32,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:32,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:32,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:32,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:32,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 12:12:32,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:32,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:32,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:32,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:32,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:32,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:12:32,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:32,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:32,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 39 proven. 302 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-10-29 12:12:32,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829393122] [2020-10-29 12:12:32,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:32,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 12:12:32,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989694509] [2020-10-29 12:12:32,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 12:12:32,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:32,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 12:12:32,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-10-29 12:12:32,835 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 20 states. [2020-10-29 12:12:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:33,806 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-29 12:12:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:12:33,807 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 93 [2020-10-29 12:12:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:33,808 INFO L225 Difference]: With dead ends: 64 [2020-10-29 12:12:33,808 INFO L226 Difference]: Without dead ends: 59 [2020-10-29 12:12:33,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=418, Invalid=842, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 12:12:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-29 12:12:33,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-29 12:12:33,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-29 12:12:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2020-10-29 12:12:33,826 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 93 [2020-10-29 12:12:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:33,826 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2020-10-29 12:12:33,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 12:12:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2020-10-29 12:12:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 12:12:33,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:33,828 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:33,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:12:33,828 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:33,829 INFO L82 PathProgramCache]: Analyzing trace with hash -929015641, now seen corresponding path program 14 times [2020-10-29 12:12:33,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:33,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149496347] [2020-10-29 12:12:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:33,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:34,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 12:12:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:34,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:34,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:34,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:34,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:34,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:12:34,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-29 12:12:34,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:34,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:12:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 12:12:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:34,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:34,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:12:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:35,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:35,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:12:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:35,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:35,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:35,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:35,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:12:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:35,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:35,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:36,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:36,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:36,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:36,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-29 12:12:36,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:36,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:36,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:36,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:36,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-29 12:12:36,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:36,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:36,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:36,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:36,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:36,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:36,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:36,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:37,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:37,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 12:12:37,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:37,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 12:12:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:37,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:37,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:12:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:37,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:12:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:37,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:37,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:37,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:37,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:37,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 18 proven. 333 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-10-29 12:12:37,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149496347] [2020-10-29 12:12:37,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:37,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 12:12:37,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272289430] [2020-10-29 12:12:37,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 12:12:37,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:37,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 12:12:37,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=275, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:12:37,464 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 21 states. [2020-10-29 12:12:38,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:38,510 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-29 12:12:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:12:38,511 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 99 [2020-10-29 12:12:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:38,512 INFO L225 Difference]: With dead ends: 67 [2020-10-29 12:12:38,513 INFO L226 Difference]: Without dead ends: 62 [2020-10-29 12:12:38,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=469, Invalid=937, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 12:12:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-29 12:12:38,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-29 12:12:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-29 12:12:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2020-10-29 12:12:38,521 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 99 [2020-10-29 12:12:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:38,521 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2020-10-29 12:12:38,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-29 12:12:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2020-10-29 12:12:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-29 12:12:38,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:38,523 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:38,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:12:38,523 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:38,524 INFO L82 PathProgramCache]: Analyzing trace with hash -386344449, now seen corresponding path program 15 times [2020-10-29 12:12:38,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:38,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966931860] [2020-10-29 12:12:38,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 12:12:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 12:12:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:39,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:39,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:39,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:39,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:12:39,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:39,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:39,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:39,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:12:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 12:12:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:39,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:40,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:12:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:40,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:40,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:12:40,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:40,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:40,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:40,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:12:40,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:40,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:40,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:12:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:12:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:41,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:41,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:41,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:41,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-29 12:12:41,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:41,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:41,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:41,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:41,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:41,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:41,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:41,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-29 12:12:41,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:41,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:41,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:41,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:41,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:41,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-29 12:12:41,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:41,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:41,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:41,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:41,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:41,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 12:12:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:41,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:42,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:42,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:42,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:42,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:42,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:42,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:42,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:42,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:42,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:42,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:42,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:42,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:42,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:42,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:42,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:42,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:12:42,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:42,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:42,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:42,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:42,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:42,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:12:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:42,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:42,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:42,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:42,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:42,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:42,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:42,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:12:42,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:42,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:42,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:42,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:42,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:42,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 48 proven. 428 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2020-10-29 12:12:42,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966931860] [2020-10-29 12:12:42,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:42,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:12:42,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296697498] [2020-10-29 12:12:42,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:12:42,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:42,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:12:42,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:12:42,413 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand 23 states. [2020-10-29 12:12:43,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:43,413 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-29 12:12:43,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 12:12:43,414 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 105 [2020-10-29 12:12:43,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:43,416 INFO L225 Difference]: With dead ends: 70 [2020-10-29 12:12:43,416 INFO L226 Difference]: Without dead ends: 65 [2020-10-29 12:12:43,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=543, Invalid=1097, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 12:12:43,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-29 12:12:43,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-29 12:12:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-29 12:12:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-10-29 12:12:43,425 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 105 [2020-10-29 12:12:43,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:43,425 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-10-29 12:12:43,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:12:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-10-29 12:12:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 12:12:43,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:43,427 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:43,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:12:43,427 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:43,428 INFO L82 PathProgramCache]: Analyzing trace with hash 308404711, now seen corresponding path program 16 times [2020-10-29 12:12:43,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:43,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863887684] [2020-10-29 12:12:43,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:43,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 727 [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 12:12:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 12:12:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:44,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:44,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:44,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:44,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:44,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:12:44,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:44,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:44,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:44,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:44,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:44,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:12:44,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:44,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-29 12:12:44,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:44,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:44,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 12:12:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 12:12:44,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:44,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:45,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:12:45,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:45,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:45,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:12:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:46,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:46,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:12:46,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:12:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:46,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:46,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:12:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:46,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:46,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:12:46,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:46,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:46,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:46,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:46,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:46,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 12:12:46,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:46,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:46,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:46,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:46,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:47,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:47,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:47,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:47,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 12:12:47,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:47,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:47,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:47,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 12:12:47,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:47,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:47,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:47,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:12:47,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:47,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:47,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:47,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 12:12:47,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:47,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:47,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:47,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:47,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:12:47,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:47,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:12:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:47,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:47,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:48,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:48,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:48,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 78 proven. 414 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-10-29 12:12:48,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863887684] [2020-10-29 12:12:48,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:48,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:12:48,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005946980] [2020-10-29 12:12:48,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:12:48,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:48,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:12:48,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=326, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:12:48,092 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 23 states. [2020-10-29 12:12:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:49,171 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-29 12:12:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 12:12:49,172 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 111 [2020-10-29 12:12:49,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:49,173 INFO L225 Difference]: With dead ends: 73 [2020-10-29 12:12:49,173 INFO L226 Difference]: Without dead ends: 68 [2020-10-29 12:12:49,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=580, Invalid=1142, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 12:12:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-29 12:12:49,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-29 12:12:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-29 12:12:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-10-29 12:12:49,181 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 111 [2020-10-29 12:12:49,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:49,182 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-10-29 12:12:49,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:12:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-10-29 12:12:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-29 12:12:49,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:49,183 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:49,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 12:12:49,184 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:49,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1022814527, now seen corresponding path program 17 times [2020-10-29 12:12:49,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:49,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177409706] [2020-10-29 12:12:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:49,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:49,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:49,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:12:49,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 789 [2020-10-29 12:12:49,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:49,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 12:12:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 12:12:50,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:50,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:50,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:50,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:12:50,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-29 12:12:50,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:50,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 12:12:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:12:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:50,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:50,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:51,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:51,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:12:51,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-29 12:12:51,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:51,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:12:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:12:51,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:51,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:51,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:12:51,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:12:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:51,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:51,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:52,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:52,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:12:52,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-29 12:12:52,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:52,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:12:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:12:52,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:52,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:52,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:12:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:52,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:52,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:12:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:12:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:52,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:52,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:53,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:12:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:53,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:53,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:53,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:12:53,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-29 12:12:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:53,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:12:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:12:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:53,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:53,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:12:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:53,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:53,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:12:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:12:53,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:53,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:53,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:12:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:53,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:12:54,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 12:12:54,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:12:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:12:54,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:54,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:12:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:12:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:54,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:12:54,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 12:12:54,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:12:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:12:54,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:54,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:54,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:12:54,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:12:54,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:12:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:12:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:54,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:54,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:12:54,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:12:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:12:54,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:12:54,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:12:54,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:12:54,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:54,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:54,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:54,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:54,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:12:54,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:12:54,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:54,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:12:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:12:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:12:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 90 proven. 520 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-29 12:12:54,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177409706] [2020-10-29 12:12:54,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:12:54,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 12:12:54,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299665525] [2020-10-29 12:12:54,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 12:12:54,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:12:54,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 12:12:54,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=398, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:12:54,559 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 25 states. [2020-10-29 12:12:55,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:12:55,735 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-29 12:12:55,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 12:12:55,736 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 117 [2020-10-29 12:12:55,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:12:55,738 INFO L225 Difference]: With dead ends: 76 [2020-10-29 12:12:55,738 INFO L226 Difference]: Without dead ends: 71 [2020-10-29 12:12:55,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=662, Invalid=1318, Unknown=0, NotChecked=0, Total=1980 [2020-10-29 12:12:55,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-29 12:12:55,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-29 12:12:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-29 12:12:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2020-10-29 12:12:55,745 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 117 [2020-10-29 12:12:55,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:12:55,746 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2020-10-29 12:12:55,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 12:12:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2020-10-29 12:12:55,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-29 12:12:55,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:12:55,748 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:12:55,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 12:12:55,748 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:12:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:12:55,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1909672743, now seen corresponding path program 18 times [2020-10-29 12:12:55,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:12:55,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304777492] [2020-10-29 12:12:55,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:12:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:55,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:56,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:56,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:12:56,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1168 [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 12:12:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:56,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:12:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:56,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:56,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:12:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:56,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:12:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:57,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:57,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:57,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:12:57,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:57,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-29 12:12:57,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:57,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 12:12:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:12:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 12:12:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:57,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:57,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:58,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:12:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-29 12:12:58,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:58,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:12:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:12:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:58,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:58,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:12:58,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:58,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:59,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:12:59,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:59,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:12:59,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:12:59,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:12:59,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:12:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:12:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:12:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:12:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:00,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:00,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:13:00,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:00,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:00,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:00,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:13:00,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-29 12:13:00,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:00,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:13:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:13:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:00,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:13:00,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:00,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:13:01,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-29 12:13:01,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:13:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:13:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:13:01,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-29 12:13:01,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:13:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:13:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:13:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:13:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:13:01,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:13:01,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:13:01,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:13:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:13:01,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:13:01,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 12:13:01,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:13:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:13:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:13:01,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:13:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:13:01,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:13:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:13:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:13:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:13:01,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:13:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:01,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:01,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:13:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:13:02,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:13:02,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:02,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:13:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:02,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:13:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 64 proven. 599 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2020-10-29 12:13:02,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304777492] [2020-10-29 12:13:02,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:13:02,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 12:13:02,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468850959] [2020-10-29 12:13:02,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 12:13:02,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:13:02,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 12:13:02,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=381, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:13:02,113 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 25 states. [2020-10-29 12:13:03,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:13:03,277 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-29 12:13:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 12:13:03,278 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 123 [2020-10-29 12:13:03,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:13:03,279 INFO L225 Difference]: With dead ends: 79 [2020-10-29 12:13:03,280 INFO L226 Difference]: Without dead ends: 74 [2020-10-29 12:13:03,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=703, Invalid=1367, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 12:13:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-29 12:13:03,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-29 12:13:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-29 12:13:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-29 12:13:03,287 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 123 [2020-10-29 12:13:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:13:03,288 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-29 12:13:03,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 12:13:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-29 12:13:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 12:13:03,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:13:03,289 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:13:03,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 12:13:03,289 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:13:03,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:13:03,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1351374975, now seen corresponding path program 19 times [2020-10-29 12:13:03,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:13:03,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823270058] [2020-10-29 12:13:03,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:13:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:03,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 946 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 12:13:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:13:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:04,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:13:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:13:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:13:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:05,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:05,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:13:05,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-10-29 12:13:05,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:05,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 12:13:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:13:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-29 12:13:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:05,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:05,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 602 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:13:05,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:05,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:06,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:13:06,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-29 12:13:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:06,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:13:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:13:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:06,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:06,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:06,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:13:06,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 547 [2020-10-29 12:13:06,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:06,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:13:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:13:06,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:06,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:06,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:07,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:07,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:13:07,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-29 12:13:07,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:07,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:13:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:13:07,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:07,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:07,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:07,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:07,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:13:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:07,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:13:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:08,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:13:08,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-29 12:13:08,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:08,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:13:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:13:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:08,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:08,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:13:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:08,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:08,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:08,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:13:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:13:09,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-29 12:13:09,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:13:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:13:09,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:09,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:13:09,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-29 12:13:09,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:13:09,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:13:09,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:13:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:13:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:13:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:09,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:13:09,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 12:13:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:13:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:13:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:13:09,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 12:13:09,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:13:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:13:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:13:09,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:13:09,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 12:13:09,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:13:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:13:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:13:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:13:09,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:13:09,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:13:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:13:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:13:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:09,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:13:09,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:13:09,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:09,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:13:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:13:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:10,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:10,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:10,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:13:10,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:13:10,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:10,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:13:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:13:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:13:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 70 proven. 656 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2020-10-29 12:13:10,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823270058] [2020-10-29 12:13:10,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:13:10,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-29 12:13:10,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831814954] [2020-10-29 12:13:10,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-29 12:13:10,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:13:10,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-29 12:13:10,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=410, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:13:10,174 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 26 states. [2020-10-29 12:13:11,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:13:11,429 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-29 12:13:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 12:13:11,429 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 129 [2020-10-29 12:13:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:13:11,431 INFO L225 Difference]: With dead ends: 82 [2020-10-29 12:13:11,431 INFO L226 Difference]: Without dead ends: 77 [2020-10-29 12:13:11,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=769, Invalid=1487, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 12:13:11,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-29 12:13:11,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-29 12:13:11,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-29 12:13:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2020-10-29 12:13:11,439 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 129 [2020-10-29 12:13:11,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:13:11,439 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2020-10-29 12:13:11,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-29 12:13:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2020-10-29 12:13:11,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 12:13:11,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:13:11,441 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:13:11,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 12:13:11,441 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:13:11,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:13:11,441 INFO L82 PathProgramCache]: Analyzing trace with hash 676631655, now seen corresponding path program 20 times [2020-10-29 12:13:11,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:13:11,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646592501] [2020-10-29 12:13:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:13:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:11,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1204 [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 12:13:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:13:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:13:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:13:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:13:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:13:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:13:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:12,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:13,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 750 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-29 12:13:13,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:13,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:13,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:14,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:14,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:13:14,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 698 [2020-10-29 12:13:14,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:14,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:13:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 12:13:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:14,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:14,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:14,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:13:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:14,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:15,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:15,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:15,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:13:15,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-29 12:13:15,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:15,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:13:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:13:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:15,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:15,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:16,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:13:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-29 12:13:16,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:16,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:13:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:13:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:16,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:16,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:16,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:13:16,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-29 12:13:16,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:16,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:13:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:13:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:13:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:13:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:17,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:17,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:17,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:13:17,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:17,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:17,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:13:17,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:17,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-29 12:13:17,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:17,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:13:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:13:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:13:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:13:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:13:18,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 12:13:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:13:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:13:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:13:18,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:13:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:13:18,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:13:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:13:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:13:18,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:13:18,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:18,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:13:18,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 12:13:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:18,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:13:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:13:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:18,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:13:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:13:19,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:19,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:13:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:13:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:13:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:19,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:19,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:19,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:19,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:13:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:19,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:19,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:13:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:13:19,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:19,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:13:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:13:19,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:19,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:19,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:19,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:13:19,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:19,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:13:19,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:19,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:19,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:13:19,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:19,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:13:19,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 78 proven. 732 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2020-10-29 12:13:19,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646592501] [2020-10-29 12:13:19,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:13:19,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 12:13:19,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745381460] [2020-10-29 12:13:19,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 12:13:19,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:13:19,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 12:13:19,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=440, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:13:19,381 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 27 states. [2020-10-29 12:13:20,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:13:20,671 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-29 12:13:20,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 12:13:20,671 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 135 [2020-10-29 12:13:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:13:20,674 INFO L225 Difference]: With dead ends: 85 [2020-10-29 12:13:20,674 INFO L226 Difference]: Without dead ends: 80 [2020-10-29 12:13:20,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=838, Invalid=1612, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 12:13:20,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-29 12:13:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-29 12:13:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-29 12:13:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-10-29 12:13:20,681 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 135 [2020-10-29 12:13:20,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:13:20,682 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-10-29 12:13:20,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 12:13:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-10-29 12:13:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 12:13:20,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:13:20,684 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:13:20,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 12:13:20,684 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:13:20,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:13:20,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2089211969, now seen corresponding path program 21 times [2020-10-29 12:13:20,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:13:20,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122831289] [2020-10-29 12:13:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:13:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:20,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1130 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:21,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:13:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:21,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:21,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:21,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:13:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:13:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:21,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:13:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:13:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:13:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:21,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:22,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 852 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 12:13:22,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:23,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-29 12:13:23,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:24,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 12:13:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:24,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:24,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:25,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 690 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:13:25,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:25,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:25,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:13:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:13:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:25,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:26,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:13:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:13:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:26,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:26,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:26,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:13:26,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-29 12:13:26,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:26,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:13:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:13:26,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:26,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:13:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:13:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 12:13:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:27,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:27,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:27,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:13:27,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-29 12:13:27,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:27,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:13:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:27,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:28,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:13:28,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:28,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:28,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:13:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:13:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:28,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:28,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:13:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:13:28,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:28,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:28,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:28,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:13:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:13:28,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:28,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:28,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:28,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:28,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:13:28,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 12:13:28,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:28,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:28,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:13:28,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:13:28,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:28,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:13:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:13:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:13:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:13:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:13:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:13:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:13:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:13:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:13:29,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:13:29,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:13:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:13:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:13:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:13:29,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:13:29,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:13:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:13:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:29,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:29,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:13:29,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:13:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:29,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:13:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:13:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 140 proven. 768 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2020-10-29 12:13:29,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122831289] [2020-10-29 12:13:29,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:13:29,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-29 12:13:29,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439155479] [2020-10-29 12:13:29,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-29 12:13:29,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:13:29,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-29 12:13:29,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=524, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:13:29,651 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 29 states. [2020-10-29 12:13:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:13:31,081 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-29 12:13:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 12:13:31,084 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 141 [2020-10-29 12:13:31,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:13:31,086 INFO L225 Difference]: With dead ends: 88 [2020-10-29 12:13:31,086 INFO L226 Difference]: Without dead ends: 83 [2020-10-29 12:13:31,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=936, Invalid=1820, Unknown=0, NotChecked=0, Total=2756 [2020-10-29 12:13:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-29 12:13:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-29 12:13:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-29 12:13:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2020-10-29 12:13:31,093 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 141 [2020-10-29 12:13:31,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:13:31,094 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2020-10-29 12:13:31,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-29 12:13:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2020-10-29 12:13:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-29 12:13:31,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:13:31,096 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:13:31,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 12:13:31,096 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:13:31,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:13:31,096 INFO L82 PathProgramCache]: Analyzing trace with hash 54902183, now seen corresponding path program 22 times [2020-10-29 12:13:31,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:13:31,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654960020] [2020-10-29 12:13:31,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:13:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:31,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:32,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:32,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1310 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 12:13:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:32,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:13:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:32,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:32,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:32,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:13:32,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:32,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:13:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:32,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:33,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:33,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 12:13:33,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 12:13:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:33,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:33,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:34,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 12:13:34,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 911 [2020-10-29 12:13:34,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:34,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:13:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-29 12:13:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:34,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:35,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:13:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-29 12:13:35,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:35,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:36,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:36,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:13:36,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-29 12:13:36,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:36,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:13:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 12:13:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:36,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:36,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:36,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:13:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:36,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:13:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:13:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:37,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:13:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:13:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:37,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:38,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:13:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:38,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:38,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:13:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:38,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:13:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:13:39,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:39,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:13:39,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:39,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:39,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:13:39,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-29 12:13:39,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:39,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:13:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:13:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:39,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:39,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:39,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:13:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:13:40,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-29 12:13:40,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:13:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:13:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:13:40,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 12:13:40,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:13:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:13:40,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:13:40,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 12:13:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:13:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:13:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:13:40,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 12:13:40,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:13:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:13:40,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:13:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:13:40,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:13:40,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 12:13:40,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:13:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:13:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:13:40,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:13:40,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:13:40,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:13:40,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:13:40,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:13:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:13:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:13:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:13:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:40,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:40,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:40,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:13:40,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:13:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:40,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:13:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:13:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:41,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:41,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:41,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:41,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:13:41,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:13:41,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:41,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:13:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:13:41,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 72 proven. 911 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-10-29 12:13:41,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654960020] [2020-10-29 12:13:41,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:13:41,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 12:13:41,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695868691] [2020-10-29 12:13:41,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 12:13:41,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:13:41,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 12:13:41,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=558, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:13:41,206 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 30 states. [2020-10-29 12:13:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:13:42,698 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-29 12:13:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 12:13:42,699 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 147 [2020-10-29 12:13:42,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:13:42,700 INFO L225 Difference]: With dead ends: 91 [2020-10-29 12:13:42,701 INFO L226 Difference]: Without dead ends: 86 [2020-10-29 12:13:42,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1012, Invalid=1958, Unknown=0, NotChecked=0, Total=2970 [2020-10-29 12:13:42,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-29 12:13:42,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-29 12:13:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-29 12:13:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2020-10-29 12:13:42,708 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 147 [2020-10-29 12:13:42,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:13:42,708 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2020-10-29 12:13:42,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 12:13:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2020-10-29 12:13:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 12:13:42,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:13:42,710 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:13:42,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-29 12:13:42,711 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:13:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:13:42,711 INFO L82 PathProgramCache]: Analyzing trace with hash 2038257407, now seen corresponding path program 23 times [2020-10-29 12:13:42,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:13:42,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893016917] [2020-10-29 12:13:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:13:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:42,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:44,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:44,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-29 12:13:44,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1469 [2020-10-29 12:13:44,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:44,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-29 12:13:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:13:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 12:13:44,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:44,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:13:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:44,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:13:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:13:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:13:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:45,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-29 12:13:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:45,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:45,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 12:13:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 12:13:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:46,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:46,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:13:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-29 12:13:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:47,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:47,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:48,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:13:48,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-29 12:13:48,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:48,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:13:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-29 12:13:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:48,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:48,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 12:13:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:48,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:48,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:49,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 664 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:49,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:13:49,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:49,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:50,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:50,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:13:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:50,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:50,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:51,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:51,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:13:51,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:51,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:51,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:51,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:13:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:51,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:13:51,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:51,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:51,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:51,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:51,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:13:51,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:51,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-29 12:13:51,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:51,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:13:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:13:51,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:51,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:51,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:52,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:52,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:13:52,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:52,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-29 12:13:52,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:52,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:52,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:13:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:13:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:52,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:13:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:13:52,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:52,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:52,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:52,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:52,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:13:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:52,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:52,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:52,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:13:52,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:52,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-29 12:13:52,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:52,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:13:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:13:52,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:13:53,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:13:53,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:13:53,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 12:13:53,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:13:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:13:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:13:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 12:13:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:13:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:13:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:13:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 12:13:53,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:13:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:13:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:13:53,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:13:53,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:13:53,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:13:53,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:13:53,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:13:53,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:13:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:13:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:13:53,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:13:53,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:13:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:13:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:13:53,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:13:53,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:13:53,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:13:53,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:53,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:53,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:53,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:53,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:13:53,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:13:53,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:53,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:13:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:13:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 123 proven. 937 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2020-10-29 12:13:54,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893016917] [2020-10-29 12:13:54,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:13:54,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 12:13:54,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139828153] [2020-10-29 12:13:54,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 12:13:54,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:13:54,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 12:13:54,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=536, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:13:54,172 INFO L87 Difference]: Start difference. First operand 86 states and 87 transitions. Second operand 30 states. [2020-10-29 12:13:55,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:13:55,755 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-10-29 12:13:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 12:13:55,755 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 153 [2020-10-29 12:13:55,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:13:55,757 INFO L225 Difference]: With dead ends: 94 [2020-10-29 12:13:55,758 INFO L226 Difference]: Without dead ends: 89 [2020-10-29 12:13:55,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1063, Invalid=2017, Unknown=0, NotChecked=0, Total=3080 [2020-10-29 12:13:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-29 12:13:55,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-10-29 12:13:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-29 12:13:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2020-10-29 12:13:55,765 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 153 [2020-10-29 12:13:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:13:55,766 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2020-10-29 12:13:55,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 12:13:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2020-10-29 12:13:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-29 12:13:55,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:13:55,768 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:13:55,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-29 12:13:55,768 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:13:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:13:55,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1543948007, now seen corresponding path program 24 times [2020-10-29 12:13:55,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:13:55,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384307957] [2020-10-29 12:13:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:13:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:55,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:57,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1552 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 12:13:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:13:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:57,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:57,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:13:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:13:57,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:57,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:13:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:13:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:57,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:13:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:57,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:58,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1168 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-29 12:13:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:58,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:58,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:13:59,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:13:59,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 12:13:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-29 12:13:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:13:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:13:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:13:59,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:00,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 12:14:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:01,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:14:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-29 12:14:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:01,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:02,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-29 12:14:02,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:02,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:03,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:14:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 716 [2020-10-29 12:14:03,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:03,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:14:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 12:14:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:03,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:04,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:04,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:14:04,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:04,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-29 12:14:04,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:04,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:04,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:14:04,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:04,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:14:04,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:04,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:04,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:14:04,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:14:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:04,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:05,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 12:14:05,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:14:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:05,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:05,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 12:14:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-29 12:14:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:05,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:14:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:14:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:05,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 12:14:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:06,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:06,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:06,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:06,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:14:06,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:14:06,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:06,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:06,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:06,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:06,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 12:14:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:06,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:06,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:07,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:07,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:14:07,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-29 12:14:07,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:07,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:14:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:14:07,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:07,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 12:14:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:07,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:07,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:14:07,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-29 12:14:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:07,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:14:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:14:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:07,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:07,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:07,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 12:14:07,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:07,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 12:14:07,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:07,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:07,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:14:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:14:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:07,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:07,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:14:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:14:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:07,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:07,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:07,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:07,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 12:14:07,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:07,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 12:14:07,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:07,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:07,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:14:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:14:07,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:07,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:07,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:08,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:08,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:14:08,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:14:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:08,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:08,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:14:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 12:14:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:08,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:08,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:08,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:14:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:08,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:08,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:08,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:14:08,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 12:14:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:08,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:14:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:14:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:08,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:08,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:08,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:14:08,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:14:08,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:08,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:14:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:14:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 12:14:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:14:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:14:08,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:14:08,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:14:08,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:14:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:14:08,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:14:08,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:14:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:14:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:14:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:14:08,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:14:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 108 proven. 1063 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-10-29 12:14:08,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384307957] [2020-10-29 12:14:08,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:14:08,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-29 12:14:08,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046556374] [2020-10-29 12:14:08,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-29 12:14:08,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:14:08,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-29 12:14:08,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=629, Unknown=0, NotChecked=0, Total=992 [2020-10-29 12:14:08,579 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 32 states. [2020-10-29 12:14:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:14:10,192 INFO L93 Difference]: Finished difference Result 97 states and 98 transitions. [2020-10-29 12:14:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-29 12:14:10,193 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 159 [2020-10-29 12:14:10,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:14:10,195 INFO L225 Difference]: With dead ends: 97 [2020-10-29 12:14:10,195 INFO L226 Difference]: Without dead ends: 92 [2020-10-29 12:14:10,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1173, Invalid=2249, Unknown=0, NotChecked=0, Total=3422 [2020-10-29 12:14:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-29 12:14:10,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-29 12:14:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-29 12:14:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2020-10-29 12:14:10,203 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 159 [2020-10-29 12:14:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:14:10,204 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2020-10-29 12:14:10,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-29 12:14:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2020-10-29 12:14:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-29 12:14:10,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:14:10,205 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:14:10,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-29 12:14:10,205 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:14:10,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:14:10,206 INFO L82 PathProgramCache]: Analyzing trace with hash 442033727, now seen corresponding path program 25 times [2020-10-29 12:14:10,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:14:10,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24756545] [2020-10-29 12:14:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:14:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 12:14:10,258 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 12:14:10,258 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 12:14:10,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-29 12:14:10,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:14:10 BoogieIcfgContainer [2020-10-29 12:14:10,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 12:14:10,289 INFO L168 Benchmark]: Toolchain (without parser) took 129016.05 ms. Allocated memory was 151.0 MB in the beginning and 994.1 MB in the end (delta: 843.1 MB). Free memory was 125.7 MB in the beginning and 954.1 MB in the end (delta: -828.4 MB). Peak memory consumption was 602.9 MB. Max. memory is 8.0 GB. [2020-10-29 12:14:10,290 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 12:14:10,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.80 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 116.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 12:14:10,291 INFO L168 Benchmark]: Boogie Preprocessor took 32.35 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 114.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-29 12:14:10,292 INFO L168 Benchmark]: RCFGBuilder took 351.18 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 101.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-29 12:14:10,292 INFO L168 Benchmark]: TraceAbstraction took 128381.49 ms. Allocated memory was 151.0 MB in the beginning and 994.1 MB in the end (delta: 843.1 MB). Free memory was 101.2 MB in the beginning and 954.1 MB in the end (delta: -852.9 MB). Peak memory consumption was 577.7 MB. Max. memory is 8.0 GB. [2020-10-29 12:14:10,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 237.80 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 116.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.35 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 114.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 351.18 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 101.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 128381.49 ms. Allocated memory was 151.0 MB in the beginning and 994.1 MB in the end (delta: 843.1 MB). Free memory was 101.2 MB in the beginning and 954.1 MB in the end (delta: -852.9 MB). Peak memory consumption was 577.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int a = 25; [L15] int b = 0; [L16] CALL, EXPR sum(a, b) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND FALSE !(n <= 0) [L9] CALL, EXPR sum(n - 1, m + 1) [L6] COND TRUE n <= 0 [L7] return m + n; [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L9] RET, EXPR sum(n - 1, m + 1) [L9] return sum(n - 1, m + 1); [L16] RET, EXPR sum(a, b) [L16] int result = sum(a, b); [L17] COND TRUE result == a + b [L18] CALL reach_error() [L3] __assert_fail("0", "sum_25x0-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 128.2s, OverallIterations: 26, TraceHistogramMax: 26, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 2019 SDslu, 772 SDs, 0 SdLazy, 2427 SolverSat, 1129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1475 GetRequests, 670 SyntacticMatches, 0 SemanticMatches, 805 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6176 ImplicationChecksByTransitivity, 23.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 105.1s InterpolantComputationTime, 2340 NumberOfCodeBlocks, 2340 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2150 ConstructedInterpolants, 0 QuantifiedInterpolants, 658266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 6111/15000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...