/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/fibo_2calls_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:20:05,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:20:05,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:20:05,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:20:05,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:20:05,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:20:05,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:20:05,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:20:05,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:20:05,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:20:05,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:20:05,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:20:05,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:20:05,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:20:05,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:20:05,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:20:05,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:20:05,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:20:05,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:20:05,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:20:05,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:20:05,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:20:05,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:20:05,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:20:05,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:20:05,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:20:05,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:20:05,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:20:05,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:20:05,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:20:05,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:20:05,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:20:05,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:20:05,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:20:05,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:20:05,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:20:05,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:20:05,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:20:05,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:20:05,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:20:05,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:20:05,630 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 [2020-10-28 17:20:05,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:20:05,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:20:05,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:20:05,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:20:05,688 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:20:05,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:20:05,688 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:20:05,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:20:05,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:20:05,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:20:05,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:20:05,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:20:05,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:20:05,690 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:20:05,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:20:05,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:20:05,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:20:05,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:20:05,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:20:05,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:20:05,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:20:05,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:20:05,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:20:05,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:20:05,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:20:05,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:20:05,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:20:05,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:20:05,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:20:05,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:20:06,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:20:06,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:20:06,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:20:06,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:20:06,208 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:20:06,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-10-28 17:20:06,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/999e6a0fb/d3aa3918b46c496297aeb9b400e03697/FLAGafbc13e8f [2020-10-28 17:20:07,068 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:20:07,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-10-28 17:20:07,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/999e6a0fb/d3aa3918b46c496297aeb9b400e03697/FLAGafbc13e8f [2020-10-28 17:20:07,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/999e6a0fb/d3aa3918b46c496297aeb9b400e03697 [2020-10-28 17:20:07,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:20:07,433 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:20:07,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:20:07,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:20:07,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:20:07,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f201a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07, skipping insertion in model container [2020-10-28 17:20:07,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:20:07,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:20:07,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:20:07,651 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:20:07,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:20:07,688 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:20:07,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07 WrapperNode [2020-10-28 17:20:07,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:20:07,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:20:07,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:20:07,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:20:07,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (1/1) ... [2020-10-28 17:20:07,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:20:07,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:20:07,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:20:07,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:20:07,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (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 [2020-10-28 17:20:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:20:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:20:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:20:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-28 17:20:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-28 17:20:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:20:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:20:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:20:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:20:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:20:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:20:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-28 17:20:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-28 17:20:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:20:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:20:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:20:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:20:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:20:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:20:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:20:08,154 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:20:08,154 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 17:20:08,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:20:08 BoogieIcfgContainer [2020-10-28 17:20:08,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:20:08,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:20:08,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:20:08,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:20:08,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:20:07" (1/3) ... [2020-10-28 17:20:08,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44514d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:20:08, skipping insertion in model container [2020-10-28 17:20:08,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:07" (2/3) ... [2020-10-28 17:20:08,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44514d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:20:08, skipping insertion in model container [2020-10-28 17:20:08,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:20:08" (3/3) ... [2020-10-28 17:20:08,168 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-10-28 17:20:08,209 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:20:08,217 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:20:08,234 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:20:08,292 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:20:08,292 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:20:08,292 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:20:08,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:20:08,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:20:08,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:20:08,293 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:20:08,294 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:20:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-28 17:20:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-28 17:20:08,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:08,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:08,342 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:08,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:08,352 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-28 17:20:08,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:08,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131147978] [2020-10-28 17:20:08,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:08,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:08,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 17:20:08,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-28 17:20:08,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:08,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:20:09,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:09,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:20:09,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:09,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:20:09,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:09,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:20:09,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131147978] [2020-10-28 17:20:09,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:09,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:20:09,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337773710] [2020-10-28 17:20:09,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:20:09,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:09,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:20:09,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:20:09,159 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-28 17:20:09,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:09,473 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-28 17:20:09,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:20:09,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-28 17:20:09,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:09,486 INFO L225 Difference]: With dead ends: 50 [2020-10-28 17:20:09,487 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:20:09,491 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 [2020-10-28 17:20:09,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:20:09,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-28 17:20:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:20:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:20:09,547 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-28 17:20:09,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:09,548 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:20:09,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:20:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:20:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-28 17:20:09,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:09,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:09,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:20:09,551 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:09,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:09,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-28 17:20:09,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:09,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132330369] [2020-10-28 17:20:09,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:09,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 17:20:09,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-10-28 17:20:09,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:09,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:20:09,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:09,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:09,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:09,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:20:09,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:20:09,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132330369] [2020-10-28 17:20:09,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:09,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:20:09,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178562521] [2020-10-28 17:20:09,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:20:09,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:09,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:20:09,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:20:09,878 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-28 17:20:10,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:10,120 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-28 17:20:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:20:10,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-28 17:20:10,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:10,123 INFO L225 Difference]: With dead ends: 39 [2020-10-28 17:20:10,123 INFO L226 Difference]: Without dead ends: 34 [2020-10-28 17:20:10,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:20:10,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-28 17:20:10,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-28 17:20:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:20:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:20:10,137 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-28 17:20:10,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:10,137 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:20:10,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:20:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:20:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 17:20:10,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:10,139 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:10,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:20:10,140 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:10,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-28 17:20:10,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:10,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074844860] [2020-10-28 17:20:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:10,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:10,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 17:20:10,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-28 17:20:10,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:10,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:20:10,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:11,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:11,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:11,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:11,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:20:11,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:11,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:11,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:11,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:11,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:11,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 17:20:11,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:11,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:20:11,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-28 17:20:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:11,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:11,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:20:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:11,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:11,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:11,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:11,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:11,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:11,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:20:11,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074844860] [2020-10-28 17:20:11,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:11,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:20:11,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630878147] [2020-10-28 17:20:11,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:11,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:11,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:11,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:11,242 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-28 17:20:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:11,683 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-28 17:20:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:20:11,684 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-28 17:20:11,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:11,687 INFO L225 Difference]: With dead ends: 51 [2020-10-28 17:20:11,687 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 17:20:11,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:20:11,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 17:20:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-28 17:20:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-28 17:20:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-28 17:20:11,704 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-28 17:20:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:11,704 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-28 17:20:11,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-28 17:20:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 17:20:11,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:11,706 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:11,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:20:11,707 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:11,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:11,707 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-28 17:20:11,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:11,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308256267] [2020-10-28 17:20:11,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:11,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:11,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:12,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:20:12,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-28 17:20:12,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:12,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:20:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:12,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:12,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:20:12,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:12,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:12,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:12,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 17:20:12,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:12,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:12,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:12,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:12,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:12,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:12,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:12,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:12,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:12,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:12,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:12,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:12,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:12,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:12,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:12,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:20:12,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308256267] [2020-10-28 17:20:12,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:12,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:20:12,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520381470] [2020-10-28 17:20:12,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:12,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:12,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:12,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:12,385 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-28 17:20:12,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:12,930 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-28 17:20:12,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:20:12,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-28 17:20:12,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:12,932 INFO L225 Difference]: With dead ends: 54 [2020-10-28 17:20:12,932 INFO L226 Difference]: Without dead ends: 49 [2020-10-28 17:20:12,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:20:12,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-28 17:20:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-28 17:20:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 17:20:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-28 17:20:12,946 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-28 17:20:12,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:12,946 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-28 17:20:12,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-28 17:20:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 17:20:12,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:12,949 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:12,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:20:12,949 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:12,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-28 17:20:12,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:12,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101172497] [2020-10-28 17:20:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:12,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:13,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:13,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-28 17:20:13,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:13,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 17:20:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:13,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:13,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:13,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:13,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:13,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:13,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 17:20:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:13,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:13,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:13,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:13,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:13,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:13,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:20:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:13,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:20:13,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101172497] [2020-10-28 17:20:13,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:13,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:20:13,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409579796] [2020-10-28 17:20:13,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:13,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:13,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:13,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:13,692 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-28 17:20:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:14,257 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-28 17:20:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:20:14,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-28 17:20:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:14,261 INFO L225 Difference]: With dead ends: 65 [2020-10-28 17:20:14,261 INFO L226 Difference]: Without dead ends: 60 [2020-10-28 17:20:14,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:20:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-28 17:20:14,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-28 17:20:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-28 17:20:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-28 17:20:14,288 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-28 17:20:14,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:14,291 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-28 17:20:14,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-28 17:20:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 17:20:14,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:14,297 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:14,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:20:14,297 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:14,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:14,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-28 17:20:14,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:14,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276694489] [2020-10-28 17:20:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:14,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:19,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 17:20:19,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:20:19,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 17:20:19,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:19,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:20:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:19,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:19,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:19,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:19,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:19,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:19,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:19,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:23,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:20:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:20:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:20:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 17:20:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:24,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:24,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:24,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 17:20:24,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:20:24,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:24,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:24,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:24,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:24,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:24,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:24,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:24,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:24,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:24,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:24,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:24,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:24,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:24,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:24,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 17:20:24,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:24,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:24,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:24,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:24,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:24,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:24,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:24,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:24,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:24,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 17:20:24,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276694489] [2020-10-28 17:20:24,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:24,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:20:24,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891570871] [2020-10-28 17:20:24,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:20:24,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:20:24,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:20:24,672 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 9 states. [2020-10-28 17:20:25,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:25,326 INFO L93 Difference]: Finished difference Result 98 states and 158 transitions. [2020-10-28 17:20:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:20:25,328 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-28 17:20:25,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:25,333 INFO L225 Difference]: With dead ends: 98 [2020-10-28 17:20:25,333 INFO L226 Difference]: Without dead ends: 93 [2020-10-28 17:20:25,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:20:25,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-28 17:20:25,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2020-10-28 17:20:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-28 17:20:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 141 transitions. [2020-10-28 17:20:25,372 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 141 transitions. Word has length 54 [2020-10-28 17:20:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:25,372 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 141 transitions. [2020-10-28 17:20:25,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:20:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2020-10-28 17:20:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 17:20:25,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:25,377 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:25,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:20:25,377 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:25,378 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-28 17:20:25,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:25,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089377817] [2020-10-28 17:20:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:25,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:30,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:20:30,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:20:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:20:30,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:30,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:20:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:20:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:20:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:30,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:30,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:30,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:30,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:30,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:30,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:30,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:30,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:30,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:30,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:30,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:30,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:20:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:20:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4769 [2020-10-28 17:20:35,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:20:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:20:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:20:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 17:20:35,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:35,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:35,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:35,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:35,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:35,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:35,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:35,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:35,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 17:20:35,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:35,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:35,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:35,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:35,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-28 17:20:35,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089377817] [2020-10-28 17:20:35,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:35,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:20:35,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927800319] [2020-10-28 17:20:35,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:20:35,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:35,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:20:35,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:20:35,621 INFO L87 Difference]: Start difference. First operand 87 states and 141 transitions. Second operand 11 states. [2020-10-28 17:20:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:36,615 INFO L93 Difference]: Finished difference Result 170 states and 311 transitions. [2020-10-28 17:20:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 17:20:36,618 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-10-28 17:20:36,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:36,619 INFO L225 Difference]: With dead ends: 170 [2020-10-28 17:20:36,619 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 17:20:36,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2020-10-28 17:20:36,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 17:20:36,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2020-10-28 17:20:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-28 17:20:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2020-10-28 17:20:36,646 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 56 [2020-10-28 17:20:36,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:36,649 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2020-10-28 17:20:36,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:20:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2020-10-28 17:20:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:20:36,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:36,655 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:36,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:20:36,656 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:36,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:36,657 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-28 17:20:36,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:36,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112144281] [2020-10-28 17:20:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:36,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:41,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:20:41,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:20:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:20:41,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:41,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:41,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:41,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 17:20:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:41,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:41,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:41,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:41,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:41,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:41,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:41,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:41,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:20:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:20:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:20:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:20:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:46,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:46,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 17:20:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:46,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:46,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:46,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:46,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:20:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:46,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 17:20:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:20:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:46,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:46,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:46,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:46,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:46,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:46,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:46,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:46,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:46,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-28 17:20:46,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112144281] [2020-10-28 17:20:46,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:46,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:20:46,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137946222] [2020-10-28 17:20:46,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:20:46,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:46,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:20:46,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:20:46,981 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand 9 states. [2020-10-28 17:20:47,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:47,592 INFO L93 Difference]: Finished difference Result 90 states and 137 transitions. [2020-10-28 17:20:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:20:47,593 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-28 17:20:47,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:47,595 INFO L225 Difference]: With dead ends: 90 [2020-10-28 17:20:47,595 INFO L226 Difference]: Without dead ends: 85 [2020-10-28 17:20:47,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:20:47,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-28 17:20:47,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2020-10-28 17:20:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-28 17:20:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 124 transitions. [2020-10-28 17:20:47,627 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 124 transitions. Word has length 58 [2020-10-28 17:20:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:47,628 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 124 transitions. [2020-10-28 17:20:47,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:20:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2020-10-28 17:20:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 17:20:47,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:47,630 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:47,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:20:47,630 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:47,631 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-28 17:20:47,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:47,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645496626] [2020-10-28 17:20:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:52,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 17:20:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:20:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:20:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:52,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:20:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:52,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:52,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:52,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:52,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:52,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:52,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:54,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:54,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:54,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:20:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:57,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:20:57,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:57,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:57,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:57,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:57,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:57,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:57,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:57,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:57,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:57,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:20:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:58,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-28 17:20:58,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:20:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:20:58,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:58,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:20:58,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:58,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:58,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:58,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:58,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:58,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:58,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:58,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:58,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:58,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-28 17:20:58,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645496626] [2020-10-28 17:20:58,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:58,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:20:58,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656559266] [2020-10-28 17:20:58,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:20:58,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:58,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:20:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:20:58,388 INFO L87 Difference]: Start difference. First operand 80 states and 124 transitions. Second operand 11 states. [2020-10-28 17:20:59,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:59,202 INFO L93 Difference]: Finished difference Result 147 states and 234 transitions. [2020-10-28 17:20:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 17:20:59,203 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-28 17:20:59,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:59,205 INFO L225 Difference]: With dead ends: 147 [2020-10-28 17:20:59,205 INFO L226 Difference]: Without dead ends: 72 [2020-10-28 17:20:59,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2020-10-28 17:20:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-28 17:20:59,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 67. [2020-10-28 17:20:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-28 17:20:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2020-10-28 17:20:59,228 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 82 [2020-10-28 17:20:59,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:59,229 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2020-10-28 17:20:59,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:20:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-10-28 17:20:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-28 17:20:59,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:59,234 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:59,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:20:59,235 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:59,235 INFO L82 PathProgramCache]: Analyzing trace with hash -2074730526, now seen corresponding path program 1 times [2020-10-28 17:20:59,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:59,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449416145] [2020-10-28 17:20:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:59,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:04,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 17:21:04,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:04,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:04,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:04,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:04,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:04,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:04,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:04,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:04,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:04,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 17:21:09,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 17:21:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:21:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 17:21:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:21:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:09,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:09,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:09,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:21:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 574 [2020-10-28 17:21:09,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:21:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:21:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:10,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:10,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:10,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:10,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:10,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:10,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:10,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:10,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:10,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:10,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:10,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:10,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:10,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:10,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:10,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:10,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:10,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:10,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:10,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:10,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:10,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:10,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:10,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:10,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 25 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-28 17:21:10,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449416145] [2020-10-28 17:21:10,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:10,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:21:10,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146457245] [2020-10-28 17:21:10,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:21:10,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:10,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:21:10,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:21:10,175 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand 12 states. [2020-10-28 17:21:10,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:10,916 INFO L93 Difference]: Finished difference Result 101 states and 155 transitions. [2020-10-28 17:21:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:21:10,917 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-10-28 17:21:10,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:10,919 INFO L225 Difference]: With dead ends: 101 [2020-10-28 17:21:10,919 INFO L226 Difference]: Without dead ends: 96 [2020-10-28 17:21:10,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2020-10-28 17:21:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-28 17:21:10,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2020-10-28 17:21:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-28 17:21:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 142 transitions. [2020-10-28 17:21:10,937 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 142 transitions. Word has length 83 [2020-10-28 17:21:10,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:10,938 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 142 transitions. [2020-10-28 17:21:10,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:21:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2020-10-28 17:21:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 17:21:10,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:10,940 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:10,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:21:10,940 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:10,940 INFO L82 PathProgramCache]: Analyzing trace with hash -31929683, now seen corresponding path program 1 times [2020-10-28 17:21:10,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:10,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964276621] [2020-10-28 17:21:10,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:10,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:21:15,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:21:15,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 17:21:15,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:16,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:16,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:16,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:16,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:16,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:16,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:16,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:16,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:16,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:17,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:21,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 17:21:21,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 17:21:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:21:21,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:21,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:21,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:21:21,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:21:21,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:21:21,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:21,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1268 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:21:22,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:21:22,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:22,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:21:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-28 17:21:22,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:22,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:22,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:21:22,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:22,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:22,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:22,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:22,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:22,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:22,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:22,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:22,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:22,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:21:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:22,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:21:24,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:21:24,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1686 [2020-10-28 17:21:24,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 17:21:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:24,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:24,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-28 17:21:24,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:24,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:24,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:24,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:24,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:24,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:24,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:24,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:24,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:24,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:24,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 40 proven. 95 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-28 17:21:24,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964276621] [2020-10-28 17:21:24,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:24,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:21:24,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161716914] [2020-10-28 17:21:24,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:21:24,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:24,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:21:24,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:21:24,978 INFO L87 Difference]: Start difference. First operand 91 states and 142 transitions. Second operand 9 states. [2020-10-28 17:21:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:25,581 INFO L93 Difference]: Finished difference Result 212 states and 417 transitions. [2020-10-28 17:21:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:21:25,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-10-28 17:21:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:25,589 INFO L225 Difference]: With dead ends: 212 [2020-10-28 17:21:25,589 INFO L226 Difference]: Without dead ends: 130 [2020-10-28 17:21:25,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:21:25,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-28 17:21:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 121. [2020-10-28 17:21:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-28 17:21:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 228 transitions. [2020-10-28 17:21:25,642 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 228 transitions. Word has length 110 [2020-10-28 17:21:25,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:25,644 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 228 transitions. [2020-10-28 17:21:25,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:21:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 228 transitions. [2020-10-28 17:21:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 17:21:25,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:25,653 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:25,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:21:25,654 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:25,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:25,654 INFO L82 PathProgramCache]: Analyzing trace with hash -208070441, now seen corresponding path program 2 times [2020-10-28 17:21:25,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:25,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175849191] [2020-10-28 17:21:25,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:25,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 17:21:30,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:21:30,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:21:30,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-28 17:21:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:21:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:30,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:35,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 17:21:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 55 [2020-10-28 17:21:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 17:21:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:35,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:21:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 17:21:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:40,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:21:40,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:21:40,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:21:40,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:40,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:40,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:40,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:40,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 17:21:40,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:40,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3901 [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 17:21:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:44,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:45,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:21:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-28 17:21:45,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:21:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:45,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:21:45,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:21:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:45,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:45,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:45,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:45,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:45,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:21:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:45,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:45,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:45,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:21:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:45,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:45,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:45,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:45,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:45,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 17:21:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:45,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:50,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 17:21:50,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:21:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:21:50,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:50,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 17:21:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:50,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:50,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:21:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:21:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-28 17:21:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:51,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:51,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:51,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:52,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:52,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:21:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:52,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:21:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:57,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:57,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:57,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:57,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:57,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3277 [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:00,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:00,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:00,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:00,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:00,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:00,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:22:00,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:00,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:00,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:22:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:00,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 68 proven. 169 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2020-10-28 17:22:00,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175849191] [2020-10-28 17:22:00,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:00,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:22:00,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854645950] [2020-10-28 17:22:00,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:22:00,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:00,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:22:00,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:22:00,531 INFO L87 Difference]: Start difference. First operand 121 states and 228 transitions. Second operand 11 states. [2020-10-28 17:22:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:01,338 INFO L93 Difference]: Finished difference Result 249 states and 527 transitions. [2020-10-28 17:22:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:22:01,338 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2020-10-28 17:22:01,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:01,342 INFO L225 Difference]: With dead ends: 249 [2020-10-28 17:22:01,342 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 17:22:01,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-10-28 17:22:01,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 17:22:01,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 128. [2020-10-28 17:22:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-28 17:22:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 245 transitions. [2020-10-28 17:22:01,368 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 245 transitions. Word has length 186 [2020-10-28 17:22:01,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:01,369 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 245 transitions. [2020-10-28 17:22:01,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:22:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2020-10-28 17:22:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 17:22:01,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:01,386 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 11, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:01,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:22:01,386 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:01,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:01,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1504429299, now seen corresponding path program 3 times [2020-10-28 17:22:01,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:01,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776611668] [2020-10-28 17:22:01,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:01,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 17:22:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:22:06,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:06,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:06,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:06,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:06,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:06,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:06,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:06,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:06,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:06,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:06,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:11,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-28 17:22:11,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 17:22:11,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 17:22:11,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:11,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 17:22:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:22:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:11,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:11,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:14,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:14,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:22:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:22:16,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:22:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-28 17:22:16,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:22:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:22:16,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:17,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:17,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:17,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:22:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-28 17:22:17,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:17,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:17,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:17,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:17,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:17,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:17,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:17,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:17,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:17,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:17,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:17,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:17,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:17,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:17,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:17,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:17,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:17,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:17,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:17,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:17,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:17,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:22:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:22:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:22:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2828 [2020-10-28 17:22:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 17:22:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:20,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:20,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:20,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:20,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:20,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:20,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:20,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 17:22:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:24,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:24,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:22:25,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 17:22:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:22:25,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-28 17:22:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:22:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-28 17:22:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:25,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:25,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:25,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:25,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:25,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:25,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:25,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:22:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2945 [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:28,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:28,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:28,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:28,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:28,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:28,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:28,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:28,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:28,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:28,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:28,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:28,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:28,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:28,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:28,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:28,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:28,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:28,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:28,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 61 proven. 167 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2020-10-28 17:22:28,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776611668] [2020-10-28 17:22:28,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:28,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:22:28,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465353832] [2020-10-28 17:22:28,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:22:28,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:28,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:22:28,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:22:28,523 INFO L87 Difference]: Start difference. First operand 128 states and 245 transitions. Second operand 10 states. [2020-10-28 17:22:29,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:29,178 INFO L93 Difference]: Finished difference Result 241 states and 549 transitions. [2020-10-28 17:22:29,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:22:29,178 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-10-28 17:22:29,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:29,181 INFO L225 Difference]: With dead ends: 241 [2020-10-28 17:22:29,181 INFO L226 Difference]: Without dead ends: 122 [2020-10-28 17:22:29,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:22:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-28 17:22:29,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 86. [2020-10-28 17:22:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-28 17:22:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 129 transitions. [2020-10-28 17:22:29,207 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 129 transitions. Word has length 190 [2020-10-28 17:22:29,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:29,208 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 129 transitions. [2020-10-28 17:22:29,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:22:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2020-10-28 17:22:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-28 17:22:29,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:29,212 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 20, 17, 17, 15, 12, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:29,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:22:29,213 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:29,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:29,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1892852883, now seen corresponding path program 4 times [2020-10-28 17:22:29,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:29,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270751245] [2020-10-28 17:22:29,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:29,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:34,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-10-28 17:22:34,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:22:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 17:22:34,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:34,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 17:22:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:22:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:34,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-28 17:22:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:22:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:41,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-28 17:22:44,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:22:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:22:44,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 17:22:44,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:44,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-28 17:22:44,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:22:44,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:44,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:44,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:44,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:44,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:44,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:44,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:44,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:44,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:45,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:45,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:49,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 17:22:49,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:22:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:22:49,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:49,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 17:22:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:50,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:50,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:22:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:50,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:50,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:50,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:50,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:50,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:50,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:50,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:50,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:50,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:50,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:50,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:50,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:53,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:22:55,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:22:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:22:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:22:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:55,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:55,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:55,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:55,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:22:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:55,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:55,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:55,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:55,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:55,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:55,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:55,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 17:22:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-28 17:23:00,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:23:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:23:00,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-28 17:23:00,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:05,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:05,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:05,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:05,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:05,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:05,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:23:09,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:23:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3552 [2020-10-28 17:23:09,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:09,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:09,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:09,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:09,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:09,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:09,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:09,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:23:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:09,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:23:09,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 17:23:09,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:09,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:09,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:09,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:09,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 141 proven. 402 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2020-10-28 17:23:09,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270751245] [2020-10-28 17:23:09,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:09,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 17:23:09,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878983577] [2020-10-28 17:23:09,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 17:23:09,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:09,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 17:23:09,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:23:09,299 INFO L87 Difference]: Start difference. First operand 86 states and 129 transitions. Second operand 13 states. [2020-10-28 17:23:10,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:10,592 INFO L93 Difference]: Finished difference Result 187 states and 318 transitions. [2020-10-28 17:23:10,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 17:23:10,593 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 278 [2020-10-28 17:23:10,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:10,595 INFO L225 Difference]: With dead ends: 187 [2020-10-28 17:23:10,596 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 17:23:10,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2020-10-28 17:23:10,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 17:23:10,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2020-10-28 17:23:10,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 17:23:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2020-10-28 17:23:10,621 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 278 [2020-10-28 17:23:10,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:10,622 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2020-10-28 17:23:10,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 17:23:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2020-10-28 17:23:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-28 17:23:10,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:10,625 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:10,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:23:10,625 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:10,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:10,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2111899548, now seen corresponding path program 5 times [2020-10-28 17:23:10,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:10,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145509336] [2020-10-28 17:23:10,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:10,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:15,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-28 17:23:15,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 17:23:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:15,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:15,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:15,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:15,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:15,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:20,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-28 17:23:20,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:23:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:23:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:20,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:23:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-28 17:23:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:20,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:23:25,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1100 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:26,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:26,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:26,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:26,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:26,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:26,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:26,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:26,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:26,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:26,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:26,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:26,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:26,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:26,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:26,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:26,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:23:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:27,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:23:32,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-28 17:23:32,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:23:32,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:23:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:32,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:23:33,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:33,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1154 [2020-10-28 17:23:33,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 17:23:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:33,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:33,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:33,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:33,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:33,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:33,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:33,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:23:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:33,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:33,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 17:23:33,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:33,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:23:33,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:33,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:33,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:33,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:33,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:33,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 137 proven. 128 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-10-28 17:23:33,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145509336] [2020-10-28 17:23:33,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:33,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 17:23:33,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807044637] [2020-10-28 17:23:33,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 17:23:33,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:33,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 17:23:33,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:23:33,383 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand 13 states. [2020-10-28 17:23:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:34,431 INFO L93 Difference]: Finished difference Result 218 states and 399 transitions. [2020-10-28 17:23:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 17:23:34,432 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 152 [2020-10-28 17:23:34,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:34,435 INFO L225 Difference]: With dead ends: 218 [2020-10-28 17:23:34,435 INFO L226 Difference]: Without dead ends: 125 [2020-10-28 17:23:34,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-10-28 17:23:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-28 17:23:34,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 112. [2020-10-28 17:23:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-28 17:23:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 166 transitions. [2020-10-28 17:23:34,458 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 166 transitions. Word has length 152 [2020-10-28 17:23:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:34,458 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 166 transitions. [2020-10-28 17:23:34,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 17:23:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2020-10-28 17:23:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-10-28 17:23:34,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:34,468 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 26, 25, 25, 21, 17, 17, 17, 17, 17, 17, 17, 14, 12, 12, 12, 12, 12, 12, 12, 8, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:34,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 17:23:34,469 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:34,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:34,469 INFO L82 PathProgramCache]: Analyzing trace with hash 275863629, now seen corresponding path program 6 times [2020-10-28 17:23:34,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:34,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844615543] [2020-10-28 17:23:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:39,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 536 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:39,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:39,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:39,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:39,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:39,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:39,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:39,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 520 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:23:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:45,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:45,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 17:23:49,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 17:23:54,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:23:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 17:23:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:23:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:54,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:54,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:54,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:54,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:54,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:54,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:54,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:54,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:54,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:54,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:23:55,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:55,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-28 17:23:55,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:23:55,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:55,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 17:23:55,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:23:55,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:55,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:55,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:55,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:55,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:55,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:23:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:55,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:55,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:55,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:55,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:55,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:55,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:55,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:55,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:55,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:55,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:55,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 17:23:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:55,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:24:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:24:00,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:00,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:24:00,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:00,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:00,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:24:00,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:00,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:00,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:00,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:00,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:00,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:00,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:00,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:00,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:00,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:24:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:00,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:00,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:00,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:00,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:00,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:24:00,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:24:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:00,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking...