/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:52:54,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:52:54,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:52:54,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:52:54,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:52:54,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:52:54,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:52:54,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:52:54,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:52:54,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:52:54,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:52:54,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:52:54,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:52:54,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:52:54,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:52:54,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:52:54,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:52:54,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:52:54,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:52:54,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:52:54,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:52:54,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:52:54,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:52:54,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:52:54,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:52:54,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:52:54,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:52:54,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:52:54,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:52:54,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:52:54,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:52:54,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:52:54,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:52:54,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:52:54,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:52:54,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:52:54,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:52:54,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:52:54,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:52:54,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:52:54,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:52:54,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:52:54,297 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:52:54,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:52:54,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:52:54,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:52:54,299 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:52:54,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:52:54,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:52:54,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:52:54,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:52:54,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:52:54,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:52:54,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:52:54,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:52:54,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:52:54,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:52:54,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:52:54,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:52:54,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:52:54,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:52:54,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:52:54,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:52:54,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:52:54,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:52:54,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:52:54,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:52:54,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:52:54,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:52:54,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:52:54,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:52:54,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:52:54,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:52:54,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:52:54,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:52:54,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:52:54,842 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:52:54,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-24 15:52:54,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f2990ea9/605fadad6ee945079ce49c9f4f433a99/FLAG31b00638b [2020-09-24 15:52:55,514 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:52:55,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-24 15:52:55,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f2990ea9/605fadad6ee945079ce49c9f4f433a99/FLAG31b00638b [2020-09-24 15:52:55,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f2990ea9/605fadad6ee945079ce49c9f4f433a99 [2020-09-24 15:52:55,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:52:55,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:52:55,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:55,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:52:55,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:52:55,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55, skipping insertion in model container [2020-09-24 15:52:55,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:52:55,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:52:56,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:56,421 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:52:56,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:56,543 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:52:56,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56 WrapperNode [2020-09-24 15:52:56,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:56,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:52:56,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:52:56,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:52:56,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... [2020-09-24 15:52:56,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:52:56,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:52:56,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:52:56,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:52:56,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:52:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:52:56,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:52:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:52:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:52:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:52:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:52:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:52:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:52:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:52:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:52:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:52:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:52:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:52:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:52:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:52:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:52:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:52:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:52:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:52:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:52:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:52:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:52:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:52:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:52:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:52:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:52:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:52:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:52:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:52:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:52:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:52:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:52:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:52:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:52:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:52:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:52:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:52:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:52:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:52:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:52:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:52:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:52:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:52:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:52:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:52:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:52:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:52:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:52:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:52:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:52:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:52:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:52:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:52:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:52:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:52:57,887 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:52:57,887 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:52:57,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:57 BoogieIcfgContainer [2020-09-24 15:52:57,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:52:57,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:52:57,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:52:57,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:52:57,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:52:55" (1/3) ... [2020-09-24 15:52:57,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f70547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:57, skipping insertion in model container [2020-09-24 15:52:57,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:56" (2/3) ... [2020-09-24 15:52:57,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f70547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:57, skipping insertion in model container [2020-09-24 15:52:57,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:57" (3/3) ... [2020-09-24 15:52:57,905 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-09-24 15:52:57,918 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:52:57,929 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:52:57,953 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:52:57,986 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:52:57,986 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:52:57,987 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:52:57,987 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:52:57,987 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:52:57,987 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:52:57,987 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:52:57,987 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:52:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-24 15:52:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:52:58,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:58,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:58,064 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:58,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:58,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1597638974, now seen corresponding path program 1 times [2020-09-24 15:52:58,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:58,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857456416] [2020-09-24 15:52:58,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:58,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:58,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:58,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:58,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:58,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:52:58,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:52:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:52:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:58,983 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:59,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:59,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:52:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:59,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:52:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:52:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:52:59,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857456416] [2020-09-24 15:52:59,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:59,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:52:59,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215231522] [2020-09-24 15:52:59,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:52:59,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:59,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:52:59,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:52:59,266 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-09-24 15:53:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:00,623 INFO L93 Difference]: Finished difference Result 468 states and 551 transitions. [2020-09-24 15:53:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:53:00,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:53:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:00,646 INFO L225 Difference]: With dead ends: 468 [2020-09-24 15:53:00,646 INFO L226 Difference]: Without dead ends: 300 [2020-09-24 15:53:00,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:00,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-24 15:53:00,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-24 15:53:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-24 15:53:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-24 15:53:00,755 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 160 [2020-09-24 15:53:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:00,756 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-24 15:53:00,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:53:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-24 15:53:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:53:00,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:00,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:00,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:53:00,769 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:00,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash 960468247, now seen corresponding path program 1 times [2020-09-24 15:53:00,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:00,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246882614] [2020-09-24 15:53:00,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:00,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:00,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:00,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:53:00,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:53:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:53:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,234 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:01,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:01,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:01,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:01,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:53:01,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:01,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246882614] [2020-09-24 15:53:01,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:01,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:01,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988067502] [2020-09-24 15:53:01,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:01,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:01,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:01,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:01,449 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-09-24 15:53:02,184 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:03,053 INFO L93 Difference]: Finished difference Result 384 states and 433 transitions. [2020-09-24 15:53:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:03,054 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:03,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:03,061 INFO L225 Difference]: With dead ends: 384 [2020-09-24 15:53:03,061 INFO L226 Difference]: Without dead ends: 289 [2020-09-24 15:53:03,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:03,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-24 15:53:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-24 15:53:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 15:53:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-24 15:53:03,103 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 161 [2020-09-24 15:53:03,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:03,104 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-24 15:53:03,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-24 15:53:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:53:03,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:03,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:03,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:03,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:03,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:03,108 INFO L82 PathProgramCache]: Analyzing trace with hash 767215678, now seen corresponding path program 1 times [2020-09-24 15:53:03,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:03,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077397101] [2020-09-24 15:53:03,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:53:03,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:53:03,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:53:03,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:03,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:53:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,577 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:03,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:03,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:03,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:03,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:03,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:03,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:03,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:03,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:03,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:03,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:53:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:03,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:53:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:03,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:03,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:03,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:03,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:03,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:03,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:03,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:03,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:03,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:03,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077397101] [2020-09-24 15:53:03,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:03,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:53:03,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982687649] [2020-09-24 15:53:03,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:53:03,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:03,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:53:03,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:53:03,740 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 6 states. [2020-09-24 15:53:04,404 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:06,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:06,415 INFO L93 Difference]: Finished difference Result 573 states and 663 transitions. [2020-09-24 15:53:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:53:06,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:53:06,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:06,421 INFO L225 Difference]: With dead ends: 573 [2020-09-24 15:53:06,421 INFO L226 Difference]: Without dead ends: 445 [2020-09-24 15:53:06,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:06,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-24 15:53:06,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 355. [2020-09-24 15:53:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-09-24 15:53:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 390 transitions. [2020-09-24 15:53:06,484 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 390 transitions. Word has length 174 [2020-09-24 15:53:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:06,485 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 390 transitions. [2020-09-24 15:53:06,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:53:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 390 transitions. [2020-09-24 15:53:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:53:06,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:06,489 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:06,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:06,489 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:06,490 INFO L82 PathProgramCache]: Analyzing trace with hash -45205301, now seen corresponding path program 1 times [2020-09-24 15:53:06,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:06,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248640590] [2020-09-24 15:53:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:53:06,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 15:53:06,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:53:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 15:53:06,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:07,050 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:07,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:07,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:53:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:07,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:07,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:07,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:07,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:07,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:07,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:07,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:07,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:07,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:07,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:07,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:53:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:07,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:07,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:07,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:07,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:07,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:07,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:07,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:07,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:53:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:07,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:07,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:07,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:53:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:07,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:07,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:07,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:07,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:07,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:07,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:07,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:53:07,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:07,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:07,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248640590] [2020-09-24 15:53:07,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:07,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:07,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103480822] [2020-09-24 15:53:07,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:07,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:07,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:07,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:07,397 INFO L87 Difference]: Start difference. First operand 355 states and 390 transitions. Second operand 10 states. [2020-09-24 15:53:08,134 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:09,067 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:09,389 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:10,488 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:10,809 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:11,158 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:11,849 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:12,158 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:12,460 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:12,787 INFO L93 Difference]: Finished difference Result 842 states and 998 transitions. [2020-09-24 15:53:12,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:53:12,788 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:53:12,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:12,799 INFO L225 Difference]: With dead ends: 842 [2020-09-24 15:53:12,800 INFO L226 Difference]: Without dead ends: 602 [2020-09-24 15:53:12,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-09-24 15:53:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 517. [2020-09-24 15:53:12,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-09-24 15:53:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 578 transitions. [2020-09-24 15:53:12,894 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 578 transitions. Word has length 179 [2020-09-24 15:53:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:12,895 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 578 transitions. [2020-09-24 15:53:12,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 578 transitions. [2020-09-24 15:53:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:12,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:12,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:12,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:12,899 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:12,900 INFO L82 PathProgramCache]: Analyzing trace with hash -67508309, now seen corresponding path program 1 times [2020-09-24 15:53:12,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:12,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684244969] [2020-09-24 15:53:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:12,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 15:53:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:13,319 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:13,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:13,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:13,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:13,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:13,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:13,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:13,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:13,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:13,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:13,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:53:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:13,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:13,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:13,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:13,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:13,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:53:13,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:13,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:13,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:13,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:13,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:13,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:13,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:13,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684244969] [2020-09-24 15:53:13,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:13,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:13,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857282431] [2020-09-24 15:53:13,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:13,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:13,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:13,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:13,944 INFO L87 Difference]: Start difference. First operand 517 states and 578 transitions. Second operand 11 states. [2020-09-24 15:53:15,807 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:16,126 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:16,456 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:16,831 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:17,179 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:17,506 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:18,279 INFO L93 Difference]: Finished difference Result 1104 states and 1323 transitions. [2020-09-24 15:53:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:53:18,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-24 15:53:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:18,285 INFO L225 Difference]: With dead ends: 1104 [2020-09-24 15:53:18,285 INFO L226 Difference]: Without dead ends: 702 [2020-09-24 15:53:18,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:18,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-09-24 15:53:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 536. [2020-09-24 15:53:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-24 15:53:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 597 transitions. [2020-09-24 15:53:18,362 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 597 transitions. Word has length 207 [2020-09-24 15:53:18,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:18,363 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 597 transitions. [2020-09-24 15:53:18,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 597 transitions. [2020-09-24 15:53:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:18,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:18,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:18,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:18,367 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:18,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1207302133, now seen corresponding path program 1 times [2020-09-24 15:53:18,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:18,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598032098] [2020-09-24 15:53:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:18,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -88 [2020-09-24 15:53:18,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 88 [2020-09-24 15:53:18,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:18,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:18,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:18,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 15:53:18,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:18,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,747 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:18,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:18,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:18,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:18,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:18,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:18,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:18,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:18,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:18,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:18,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:18,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:18,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:18,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:18,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:18,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:18,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:19,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598032098] [2020-09-24 15:53:19,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:19,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:19,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901267845] [2020-09-24 15:53:19,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:19,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:19,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:19,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:19,081 INFO L87 Difference]: Start difference. First operand 536 states and 597 transitions. Second operand 10 states. [2020-09-24 15:53:20,488 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:20,805 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:21,157 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:21,527 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:21,855 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:22,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:22,747 INFO L93 Difference]: Finished difference Result 1145 states and 1383 transitions. [2020-09-24 15:53:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:22,747 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-24 15:53:22,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:22,753 INFO L225 Difference]: With dead ends: 1145 [2020-09-24 15:53:22,753 INFO L226 Difference]: Without dead ends: 724 [2020-09-24 15:53:22,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:53:22,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-09-24 15:53:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 548. [2020-09-24 15:53:22,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-09-24 15:53:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 609 transitions. [2020-09-24 15:53:22,852 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 609 transitions. Word has length 207 [2020-09-24 15:53:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:22,853 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 609 transitions. [2020-09-24 15:53:22,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 609 transitions. [2020-09-24 15:53:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:22,858 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:22,858 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:22,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:22,859 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:22,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:22,859 INFO L82 PathProgramCache]: Analyzing trace with hash 956542472, now seen corresponding path program 1 times [2020-09-24 15:53:22,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:22,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643800400] [2020-09-24 15:53:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-24 15:53:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,284 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:23,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:23,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:23,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:23,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:23,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:23,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:23,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:23,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:23,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:23,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:53:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:53:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:23,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:23,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:23,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:23,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:23,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643800400] [2020-09-24 15:53:23,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:23,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:23,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974663500] [2020-09-24 15:53:23,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:23,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:23,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:23,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:23,635 INFO L87 Difference]: Start difference. First operand 548 states and 609 transitions. Second operand 8 states. [2020-09-24 15:53:24,146 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:24,857 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:27,574 INFO L93 Difference]: Finished difference Result 1759 states and 2151 transitions. [2020-09-24 15:53:27,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:53:27,575 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-09-24 15:53:27,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:27,584 INFO L225 Difference]: With dead ends: 1759 [2020-09-24 15:53:27,584 INFO L226 Difference]: Without dead ends: 1326 [2020-09-24 15:53:27,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:53:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-09-24 15:53:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1085. [2020-09-24 15:53:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1085 states. [2020-09-24 15:53:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1228 transitions. [2020-09-24 15:53:27,714 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1228 transitions. Word has length 207 [2020-09-24 15:53:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:27,715 INFO L479 AbstractCegarLoop]: Abstraction has 1085 states and 1228 transitions. [2020-09-24 15:53:27,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1228 transitions. [2020-09-24 15:53:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:53:27,719 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:27,720 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:27,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:27,720 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:27,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:27,721 INFO L82 PathProgramCache]: Analyzing trace with hash 442790454, now seen corresponding path program 1 times [2020-09-24 15:53:27,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:27,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582111511] [2020-09-24 15:53:27,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:27,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:27,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-24 15:53:27,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-24 15:53:27,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:27,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:53:27,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:27,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:53:27,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:53:27,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,252 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:28,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:28,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:28,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:28,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:28,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:53:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:28,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:28,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:53:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:28,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:28,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:28,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:53:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:28,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582111511] [2020-09-24 15:53:28,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:28,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:53:28,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193436688] [2020-09-24 15:53:28,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:28,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:28,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:28,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:28,673 INFO L87 Difference]: Start difference. First operand 1085 states and 1228 transitions. Second operand 15 states. [2020-09-24 15:53:29,282 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:30,156 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:31,274 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:31,632 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:32,103 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:32,425 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:32,757 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:33,074 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:33,452 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:33,770 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:36,239 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:36,533 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:37,130 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:53:37,438 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:38,858 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:53:39,540 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:53:40,204 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:53:40,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:40,751 INFO L93 Difference]: Finished difference Result 3510 states and 4263 transitions. [2020-09-24 15:53:40,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-24 15:53:40,751 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 212 [2020-09-24 15:53:40,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:40,767 INFO L225 Difference]: With dead ends: 3510 [2020-09-24 15:53:40,767 INFO L226 Difference]: Without dead ends: 2745 [2020-09-24 15:53:40,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=819, Invalid=3087, Unknown=0, NotChecked=0, Total=3906 [2020-09-24 15:53:40,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2020-09-24 15:53:41,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2118. [2020-09-24 15:53:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2118 states. [2020-09-24 15:53:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2387 transitions. [2020-09-24 15:53:41,048 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2387 transitions. Word has length 212 [2020-09-24 15:53:41,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:41,048 INFO L479 AbstractCegarLoop]: Abstraction has 2118 states and 2387 transitions. [2020-09-24 15:53:41,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:53:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2387 transitions. [2020-09-24 15:53:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-24 15:53:41,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:41,054 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:41,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:41,054 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:41,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:41,055 INFO L82 PathProgramCache]: Analyzing trace with hash 2004709229, now seen corresponding path program 1 times [2020-09-24 15:53:41,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:41,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640610315] [2020-09-24 15:53:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-09-24 15:53:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:41,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:53:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,409 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:41,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:41,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:41,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:53:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:41,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:53:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:41,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:41,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-24 15:53:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:41,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:53:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:41,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 15:53:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:41,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:53:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 15:53:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-24 15:53:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:41,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:53:41,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640610315] [2020-09-24 15:53:41,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:41,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:41,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723336196] [2020-09-24 15:53:41,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:41,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:41,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:41,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:41,721 INFO L87 Difference]: Start difference. First operand 2118 states and 2387 transitions. Second operand 10 states. [2020-09-24 15:53:42,278 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:43,241 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:45,673 INFO L93 Difference]: Finished difference Result 3669 states and 4197 transitions. [2020-09-24 15:53:45,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:53:45,673 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 272 [2020-09-24 15:53:45,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:45,683 INFO L225 Difference]: With dead ends: 3669 [2020-09-24 15:53:45,683 INFO L226 Difference]: Without dead ends: 1666 [2020-09-24 15:53:45,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:53:45,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2020-09-24 15:53:45,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1503. [2020-09-24 15:53:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2020-09-24 15:53:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1671 transitions. [2020-09-24 15:53:45,876 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1671 transitions. Word has length 272 [2020-09-24 15:53:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:45,877 INFO L479 AbstractCegarLoop]: Abstraction has 1503 states and 1671 transitions. [2020-09-24 15:53:45,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1671 transitions. [2020-09-24 15:53:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-24 15:53:45,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:45,881 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:45,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:53:45,881 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash 831228777, now seen corresponding path program 1 times [2020-09-24 15:53:45,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:45,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791398145] [2020-09-24 15:53:45,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:45,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -115 [2020-09-24 15:53:45,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 115 [2020-09-24 15:53:45,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-09-24 15:53:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:53:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:46,480 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:46,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:46,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:46,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:46,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:46,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:46,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:46,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:46,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:46,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:46,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:53:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:46,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:46,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:46,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:53:46,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:46,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:46,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:46,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-24 15:53:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:46,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:46,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:46,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:53:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:46,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:53:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:46,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:46,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:46,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:46,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:46,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-09-24 15:53:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:46,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-24 15:53:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:53:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:46,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 15:53:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:46,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:46,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 15:53:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:46,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:46,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:46,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:46,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:46,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:46,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:46,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-24 15:53:47,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791398145] [2020-09-24 15:53:47,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:53:47,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:53:47,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516404318] [2020-09-24 15:53:47,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:47,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:47,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:47,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:47,051 INFO L87 Difference]: Start difference. First operand 1503 states and 1671 transitions. Second operand 15 states. [2020-09-24 15:53:48,369 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192