/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:47:46,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:47:46,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:47:46,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:47:46,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:47:46,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:47:46,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:47:46,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:47:46,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:47:46,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:47:46,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:47:46,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:47:46,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:47:46,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:47:46,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:47:46,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:47:46,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:47:46,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:47:46,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:47:46,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:47:46,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:47:46,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:47:46,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:47:46,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:47:46,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:47:46,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:47:46,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:47:46,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:47:46,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:47:46,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:47:46,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:47:46,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:47:46,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:47:46,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:47:46,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:47:46,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:47:46,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:47:46,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:47:46,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:47:46,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:47:46,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:47:46,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:47:46,249 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:47:46,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:47:46,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:47:46,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:47:46,251 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:47:46,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:47:46,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:47:46,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:47:46,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:47:46,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:47:46,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:47:46,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:47:46,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:47:46,253 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:47:46,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:47:46,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:47:46,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:47:46,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:47:46,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:47:46,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:47:46,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:47:46,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:47:46,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:47:46,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:47:46,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:47:46,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:47:46,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:47:46,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:47:46,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:47:46,256 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:47:46,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:47:46,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:47:46,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:47:46,571 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:47:46,572 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:47:46,572 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-10-12 17:47:46,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d62fc716/e419d3401c054fbaa125942b25bf7bd2/FLAG91356a891 [2020-10-12 17:47:47,194 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:47:47,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-10-12 17:47:47,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d62fc716/e419d3401c054fbaa125942b25bf7bd2/FLAG91356a891 [2020-10-12 17:47:47,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d62fc716/e419d3401c054fbaa125942b25bf7bd2 [2020-10-12 17:47:47,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:47:47,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:47:47,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:47:47,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:47:47,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:47:47,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63832a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47, skipping insertion in model container [2020-10-12 17:47:47,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:47:47,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:47:48,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:47:48,029 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:47:48,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:47:48,197 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:47:48,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48 WrapperNode [2020-10-12 17:47:48,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:47:48,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:47:48,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:47:48,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:47:48,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... [2020-10-12 17:47:48,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:47:48,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:47:48,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:47:48,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:47:48,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:47:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:47:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:47:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:47:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:47:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:47:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:47:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:47:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:47:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:47:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:47:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:47:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:47:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:47:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:47:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:47:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:47:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:47:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:47:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:47:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:47:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-12 17:47:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:47:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:47:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 17:47:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:47:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:47:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:47:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:47:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:47:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:47:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:47:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:47:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:47:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:47:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:47:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:47:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:47:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:47:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:47:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:47:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:47:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:47:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:47:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:47:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:47:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:47:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:47:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:47:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:47:49,456 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:47:49,456 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:47:49,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:47:49 BoogieIcfgContainer [2020-10-12 17:47:49,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:47:49,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:47:49,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:47:49,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:47:49,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:47:47" (1/3) ... [2020-10-12 17:47:49,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba3ae5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:47:49, skipping insertion in model container [2020-10-12 17:47:49,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:48" (2/3) ... [2020-10-12 17:47:49,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba3ae5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:47:49, skipping insertion in model container [2020-10-12 17:47:49,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:47:49" (3/3) ... [2020-10-12 17:47:49,477 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2020-10-12 17:47:49,488 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:47:49,498 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:47:49,513 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:47:49,539 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:47:49,539 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:47:49,540 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:47:49,540 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:47:49,540 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:47:49,540 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:47:49,540 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:47:49,540 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:47:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-12 17:47:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 17:47:49,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:49,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:47:49,572 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:49,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:49,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2058113087, now seen corresponding path program 1 times [2020-10-12 17:47:49,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:49,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130180143] [2020-10-12 17:47:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:50,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:51,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:51,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 17:47:54,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:47:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:47:54,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:47:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:47:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:47:55,256 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:47:55,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:47:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:55,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 17:47:55,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:47:55,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:47:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:55,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:55,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:47:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:55,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:55,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:47:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:47:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:55,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:55,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:55,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:47:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:55,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:55,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:47:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:55,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:47:55,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:47:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:47:55,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130180143] [2020-10-12 17:47:55,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:47:55,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 17:47:55,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813698937] [2020-10-12 17:47:55,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 17:47:55,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:47:55,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 17:47:55,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:47:55,481 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 7 states. [2020-10-12 17:47:55,973 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:56,926 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:57,212 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:57,471 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:58,143 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:58,463 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:47:59,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:47:59,337 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2020-10-12 17:47:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 17:47:59,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 17:47:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:47:59,358 INFO L225 Difference]: With dead ends: 379 [2020-10-12 17:47:59,358 INFO L226 Difference]: Without dead ends: 231 [2020-10-12 17:47:59,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:47:59,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-12 17:47:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 196. [2020-10-12 17:47:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-12 17:47:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 246 transitions. [2020-10-12 17:47:59,476 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 246 transitions. Word has length 46 [2020-10-12 17:47:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:47:59,477 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 246 transitions. [2020-10-12 17:47:59,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 17:47:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 246 transitions. [2020-10-12 17:47:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 17:47:59,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:59,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 17:47:59,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:47:59,483 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:59,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1216100796, now seen corresponding path program 1 times [2020-10-12 17:47:59,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:59,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977724817] [2020-10-12 17:47:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:59,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:59,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:59,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-12 17:48:04,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:48:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:48:04,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:48:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 17:48:04,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,813 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:04,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:04,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 17:48:04,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:04,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:04,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:04,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:04,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:04,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:05,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:05,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:05,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:48:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:48:05,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:48:05,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:48:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 17:48:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:05,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:05,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:05,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:48:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:05,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:05,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 17:48:05,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:05,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:48:05,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:05,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:05,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 17:48:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:48:05,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:05,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:05,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:48:05,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:05,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:48:05,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:48:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:05,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:48:05,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:05,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:05,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:48:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:05,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 17:48:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:05,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 17:48:05,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977724817] [2020-10-12 17:48:05,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:05,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:48:05,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053223837] [2020-10-12 17:48:05,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:48:05,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:05,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:48:05,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:48:05,618 INFO L87 Difference]: Start difference. First operand 196 states and 246 transitions. Second operand 13 states. [2020-10-12 17:48:06,138 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:07,143 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:48:07,539 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:07,750 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:08,032 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:08,274 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:08,567 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:08,870 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:48:09,304 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:09,547 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:12,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:12,076 INFO L93 Difference]: Finished difference Result 836 states and 1286 transitions. [2020-10-12 17:48:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 17:48:12,077 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2020-10-12 17:48:12,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:12,087 INFO L225 Difference]: With dead ends: 836 [2020-10-12 17:48:12,087 INFO L226 Difference]: Without dead ends: 664 [2020-10-12 17:48:12,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:48:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-10-12 17:48:12,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 516. [2020-10-12 17:48:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-12 17:48:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 688 transitions. [2020-10-12 17:48:12,243 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 688 transitions. Word has length 104 [2020-10-12 17:48:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:12,244 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 688 transitions. [2020-10-12 17:48:12,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:48:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 688 transitions. [2020-10-12 17:48:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 17:48:12,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:12,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:12,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:48:12,250 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:12,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:12,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1164932965, now seen corresponding path program 1 times [2020-10-12 17:48:12,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:12,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33763980] [2020-10-12 17:48:12,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:12,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:12,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 17:48:17,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-12 17:48:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:48:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 17:48:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:17,693 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:17,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:17,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 17:48:17,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:17,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:17,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:17,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:17,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:17,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:17,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:17,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:17,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:17,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:17,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:17,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:17,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:48:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:17,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:17,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:17,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-12 17:48:17,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:17,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:48:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:18,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:18,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:18,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:18,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:18,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 17:48:18,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:48:18,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:48:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:18,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:18,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:18,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:18,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:18,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:18,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:48:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:18,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:18,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:18,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:18,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:18,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:48:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:18,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:18,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:18,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:18,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:18,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 17:48:18,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33763980] [2020-10-12 17:48:18,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:48:18,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:48:18,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968452620] [2020-10-12 17:48:18,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:48:18,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:18,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:48:18,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:48:18,243 INFO L87 Difference]: Start difference. First operand 516 states and 688 transitions. Second operand 12 states. [2020-10-12 17:48:18,708 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:19,442 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:19,729 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:20,069 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:20,473 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:20,835 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:21,652 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:21,912 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:22,171 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:22,434 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:48:22,716 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:48:22,986 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:48:24,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:24,171 INFO L93 Difference]: Finished difference Result 1563 states and 2400 transitions. [2020-10-12 17:48:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 17:48:24,172 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-10-12 17:48:24,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:24,187 INFO L225 Difference]: With dead ends: 1563 [2020-10-12 17:48:24,188 INFO L226 Difference]: Without dead ends: 926 [2020-10-12 17:48:24,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2020-10-12 17:48:24,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-12 17:48:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 821. [2020-10-12 17:48:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-10-12 17:48:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1046 transitions. [2020-10-12 17:48:24,405 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1046 transitions. Word has length 89 [2020-10-12 17:48:24,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:24,406 INFO L479 AbstractCegarLoop]: Abstraction has 821 states and 1046 transitions. [2020-10-12 17:48:24,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:48:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1046 transitions. [2020-10-12 17:48:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 17:48:24,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:24,414 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:24,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:48:24,415 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:24,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1045585747, now seen corresponding path program 1 times [2020-10-12 17:48:24,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:24,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917777406] [2020-10-12 17:48:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 17:48:26,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2036 [2020-10-12 17:48:26,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:48:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 17:48:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,722 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:26,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:26,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:48:26,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:26,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:26,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:26,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:26,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:26,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:26,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:26,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:26,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:26,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:26,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:26,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:26,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:48:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:48:26,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:48:26,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:48:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:26,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:48:26,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:48:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:26,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:26,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:26,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:26,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:26,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:26,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:48:27,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:48:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:27,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:27,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:27,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:48:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:27,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:27,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:27,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:27,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:27,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:27,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 17:48:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:27,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:48:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:27,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:27,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:27,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 17:48:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:27,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:27,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:48:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:27,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:48:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:27,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:27,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:27,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:27,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:27,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:27,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:27,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:27,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:27,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:27,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-12 17:48:27,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917777406] [2020-10-12 17:48:27,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:27,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:48:27,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065326682] [2020-10-12 17:48:27,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:48:27,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:27,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:48:27,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:48:27,164 INFO L87 Difference]: Start difference. First operand 821 states and 1046 transitions. Second operand 13 states. [2020-10-12 17:48:27,664 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:28,548 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:28,796 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:48:29,051 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:29,302 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:29,607 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:48:29,853 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:30,125 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:48:30,427 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:33,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:33,248 INFO L93 Difference]: Finished difference Result 2863 states and 4156 transitions. [2020-10-12 17:48:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 17:48:33,249 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2020-10-12 17:48:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:33,264 INFO L225 Difference]: With dead ends: 2863 [2020-10-12 17:48:33,264 INFO L226 Difference]: Without dead ends: 2066 [2020-10-12 17:48:33,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:48:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2020-10-12 17:48:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1571. [2020-10-12 17:48:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1571 states. [2020-10-12 17:48:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2002 transitions. [2020-10-12 17:48:33,636 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2002 transitions. Word has length 120 [2020-10-12 17:48:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:33,638 INFO L479 AbstractCegarLoop]: Abstraction has 1571 states and 2002 transitions. [2020-10-12 17:48:33,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:48:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2002 transitions. [2020-10-12 17:48:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 17:48:33,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:33,650 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:33,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:48:33,651 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:33,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:33,651 INFO L82 PathProgramCache]: Analyzing trace with hash -269607447, now seen corresponding path program 1 times [2020-10-12 17:48:33,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:33,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108938888] [2020-10-12 17:48:33,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:33,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:33,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:36,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:36,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:36,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:38,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:38,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 17:48:38,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:48:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 17:48:38,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 17:48:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 17:48:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:39,030 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 17:48:39,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:39,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:39,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:39,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:48:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:48:39,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:48:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:48:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:48:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:39,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:48:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:39,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:39,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:48:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:48:39,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 17:48:39,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:48:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 17:48:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:39,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:48:39,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:48:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:39,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:39,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:39,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:39,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:39,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:39,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:39,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:48:39,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:48:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:39,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:48:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:39,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:39,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:48:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:39,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:48:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:48:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:48:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:48:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:39,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:39,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:39,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:39,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:39,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:39,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:39,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:39,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:39,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:39,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 17:48:39,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108938888] [2020-10-12 17:48:39,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:39,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:48:39,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020439359] [2020-10-12 17:48:39,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:48:39,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:39,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:48:39,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:48:39,597 INFO L87 Difference]: Start difference. First operand 1571 states and 2002 transitions. Second operand 13 states. [2020-10-12 17:48:40,154 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:40,693 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:43,608 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:45,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:45,472 INFO L93 Difference]: Finished difference Result 4674 states and 6399 transitions. [2020-10-12 17:48:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 17:48:45,480 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-12 17:48:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:45,504 INFO L225 Difference]: With dead ends: 4674 [2020-10-12 17:48:45,504 INFO L226 Difference]: Without dead ends: 3515 [2020-10-12 17:48:45,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 17:48:45,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2020-10-12 17:48:46,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3009. [2020-10-12 17:48:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3009 states. [2020-10-12 17:48:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 3741 transitions. [2020-10-12 17:48:46,148 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 3741 transitions. Word has length 134 [2020-10-12 17:48:46,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:46,149 INFO L479 AbstractCegarLoop]: Abstraction has 3009 states and 3741 transitions. [2020-10-12 17:48:46,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:48:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3741 transitions. [2020-10-12 17:48:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 17:48:46,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:46,155 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:46,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:48:46,156 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:46,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:46,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1644305074, now seen corresponding path program 1 times [2020-10-12 17:48:46,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:46,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885606174] [2020-10-12 17:48:46,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:46,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:47,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-12 17:48:51,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:48:51,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 17:48:51,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-12 17:48:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 17:48:51,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:51,410 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:51,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:51,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:48:51,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:51,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:51,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:51,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:51,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:51,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:51,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:51,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:51,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:51,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:51,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:51,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:51,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:51,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:51,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 17:48:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:51,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:51,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:51,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:51,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:48:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:51,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:51,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:51,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:48:51,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:51,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:51,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:48:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:48:52,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:52,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-12 17:48:52,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 17:48:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:48:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:52,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:52,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 17:48:52,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:52,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:48:52,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:52,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:48:52,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:48:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:52,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:52,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:52,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:52,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:48:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:48:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:52,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:48:52,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:48:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:52,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:52,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:52,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:52,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:48:52,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:48:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:52,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:52,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:48:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:48:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:52,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:52,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:48:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:52,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:48:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:52,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:52,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:48:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:52,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:52,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:52,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:52,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:52,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:52,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:52,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:52,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:52,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:48:52,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885606174] [2020-10-12 17:48:52,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:52,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 17:48:52,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78184038] [2020-10-12 17:48:52,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 17:48:52,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:52,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 17:48:52,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-10-12 17:48:52,551 INFO L87 Difference]: Start difference. First operand 3009 states and 3741 transitions. Second operand 20 states. [2020-10-12 17:48:53,278 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:54,084 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:54,647 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:54,982 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:55,237 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:55,539 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:55,820 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:56,140 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:56,427 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:56,714 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:56,967 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:57,245 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:57,577 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:57,880 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:58,758 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:59,020 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:59,303 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:59,599 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:59,836 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:49:00,094 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:49:00,460 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:49:00,809 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:49:02,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:49:02,745 INFO L93 Difference]: Finished difference Result 5784 states and 7610 transitions. [2020-10-12 17:49:02,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 17:49:02,750 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 130 [2020-10-12 17:49:02,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:49:02,767 INFO L225 Difference]: With dead ends: 5784 [2020-10-12 17:49:02,767 INFO L226 Difference]: Without dead ends: 2799 [2020-10-12 17:49:02,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=584, Invalid=2838, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 17:49:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2020-10-12 17:49:03,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2471. [2020-10-12 17:49:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2471 states. [2020-10-12 17:49:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 2880 transitions. [2020-10-12 17:49:03,232 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 2880 transitions. Word has length 130 [2020-10-12 17:49:03,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:49:03,232 INFO L479 AbstractCegarLoop]: Abstraction has 2471 states and 2880 transitions. [2020-10-12 17:49:03,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 17:49:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2880 transitions. [2020-10-12 17:49:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 17:49:03,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:49:03,239 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 17:49:03,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:49:03,240 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:49:03,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:49:03,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1744249391, now seen corresponding path program 1 times [2020-10-12 17:49:03,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:49:03,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431858176] [2020-10-12 17:49:03,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:49:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-12 17:49:03,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:49:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-12 17:49:03,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:49:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-12 17:49:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-12 17:49:03,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,731 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:49:03,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:49:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:49:03,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:49:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:49:03,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:49:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:49:03,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:49:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:49:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:49:03,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:49:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:49:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:49:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:49:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:49:03,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:49:03,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:49:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:49:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:49:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:49:03,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:49:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:49:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:49:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:49:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:49:03,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:49:03,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:49:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:49:03,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:49:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:49:03,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:49:03,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:49:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:49:03,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:49:03,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:49:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:49:03,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:49:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:49:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:49:03,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:49:03,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:49:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:49:03,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:49:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:49:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:49:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:49:03,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:49:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:49:03,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:49:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:49:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:49:03,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:49:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:49:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:49:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:49:03,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:49:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:49:03,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:49:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:49:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:49:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:49:03,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:49:03,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:49:03,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:49:03,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:49:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:49:03,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:49:03,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:49:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:49:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:49:03,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:49:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 17:49:04,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431858176] [2020-10-12 17:49:04,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:49:04,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 17:49:04,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905300555] [2020-10-12 17:49:04,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:49:04,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:49:04,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:49:04,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:49:04,020 INFO L87 Difference]: Start difference. First operand 2471 states and 2880 transitions. Second operand 9 states. [2020-10-12 17:49:04,518 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:49:07,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:49:07,174 INFO L93 Difference]: Finished difference Result 4603 states and 5714 transitions. [2020-10-12 17:49:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 17:49:07,175 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2020-10-12 17:49:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:49:07,196 INFO L225 Difference]: With dead ends: 4603 [2020-10-12 17:49:07,196 INFO L226 Difference]: Without dead ends: 3281 [2020-10-12 17:49:07,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:49:07,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2020-10-12 17:49:07,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2813. [2020-10-12 17:49:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-10-12 17:49:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3270 transitions. [2020-10-12 17:49:07,615 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3270 transitions. Word has length 130 [2020-10-12 17:49:07,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:49:07,615 INFO L479 AbstractCegarLoop]: Abstraction has 2813 states and 3270 transitions. [2020-10-12 17:49:07,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:49:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3270 transitions. [2020-10-12 17:49:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 17:49:07,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:49:07,620 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:49:07,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:49:07,620 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:49:07,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:49:07,620 INFO L82 PathProgramCache]: Analyzing trace with hash -405492817, now seen corresponding path program 1 times [2020-10-12 17:49:07,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:49:07,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266308015] [2020-10-12 17:49:07,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:49:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 17:49:07,646 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 17:49:07,646 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 17:49:07,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:49:07,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:49:07 BoogieIcfgContainer [2020-10-12 17:49:07,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:49:07,680 INFO L168 Benchmark]: Toolchain (without parser) took 80212.90 ms. Allocated memory was 148.9 MB in the beginning and 1.1 GB in the end (delta: 956.8 MB). Free memory was 104.1 MB in the beginning and 298.0 MB in the end (delta: -193.9 MB). Peak memory consumption was 762.9 MB. Max. memory is 7.1 GB. [2020-10-12 17:49:07,681 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 17:49:07,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.98 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 103.9 MB in the beginning and 173.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-12 17:49:07,682 INFO L168 Benchmark]: Boogie Preprocessor took 93.12 ms. Allocated memory is still 205.5 MB. Free memory was 173.0 MB in the beginning and 169.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-12 17:49:07,683 INFO L168 Benchmark]: RCFGBuilder took 1174.02 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 169.1 MB in the beginning and 193.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:49:07,684 INFO L168 Benchmark]: TraceAbstraction took 78209.44 ms. Allocated memory was 234.9 MB in the beginning and 1.1 GB in the end (delta: 870.8 MB). Free memory was 192.0 MB in the beginning and 298.0 MB in the end (delta: -106.0 MB). Peak memory consumption was 764.8 MB. Max. memory is 7.1 GB. [2020-10-12 17:49:07,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.98 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 103.9 MB in the beginning and 173.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.12 ms. Allocated memory is still 205.5 MB. Free memory was 173.0 MB in the beginning and 169.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.02 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 169.1 MB in the beginning and 193.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 78209.44 ms. Allocated memory was 234.9 MB in the beginning and 1.1 GB in the end (delta: 870.8 MB). Free memory was 192.0 MB in the beginning and 298.0 MB in the end (delta: -106.0 MB). Peak memory consumption was 764.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int retValue_acc ; [L513] int tmp ; [L517] FCALL select_helpers() [L518] FCALL select_features() [L519] CALL, EXPR valid_product() [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); [L519] RET, EXPR valid_product() [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) [L523] FCALL setup() [L524] CALL runTest() [L503] CALL test() [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 [L344] COND TRUE 1 [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) [L356] CALL waterRise() [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L356] RET waterRise() [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) [L389] CALL timeShift() [L155] COND FALSE !(\read(pumpRunning)) [L162] COND TRUE \read(systemActive) [L164] CALL processEnvironment() [L184] int tmp ; [L187] COND TRUE ! pumpRunning [L189] CALL, EXPR isHighWaterLevel() [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; [L305] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L305] RET, EXPR isHighWaterSensorDry() [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); [L189] RET, EXPR isHighWaterLevel() [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) [L193] CALL activatePump() [L218] int tmp ; [L222] CALL, EXPR isMethaneAlarm() [L243] int retValue_acc ; [L247] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L247] RET, EXPR isMethaneLevelCritical() [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); [L222] RET, EXPR isMethaneAlarm() [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) [L228] CALL activatePump__wrappee__highWaterSensor() [L212] pumpRunning = 1 [L228] RET activatePump__wrappee__highWaterSensor() [L193] RET activatePump() [L164] RET processEnvironment() [L170] CALL __utac_acc__Specification1_spec__1() [L411] int tmp ; [L412] int tmp___0 ; [L416] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L416] RET, EXPR isMethaneLevelCritical() [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) [L170] RET __utac_acc__Specification1_spec__1() [L389] RET timeShift() [L344] COND TRUE 1 [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) [L366] CALL changeMethaneLevel() [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L366] RET changeMethaneLevel() [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) [L389] CALL timeShift() [L155] COND TRUE \read(pumpRunning) [L157] CALL lowerWaterLevel() [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 [L157] RET lowerWaterLevel() [L162] COND TRUE \read(systemActive) [L164] CALL processEnvironment() [L184] int tmp ; [L187] COND FALSE !(! pumpRunning) [L202] FCALL processEnvironment__wrappee__base() [L164] RET processEnvironment() [L170] CALL __utac_acc__Specification1_spec__1() [L411] int tmp ; [L412] int tmp___0 ; [L416] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L416] RET, EXPR isMethaneLevelCritical() [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) [L420] CALL, EXPR isPumpRunning() [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); [L420] RET, EXPR isPumpRunning() [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) [L424] CALL __automaton_fail() [L405] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 78.1s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 41.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1098 SDtfs, 4241 SDslu, 2255 SDs, 0 SdLazy, 11553 SolverSat, 2997 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 500 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3009occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 2085 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.1s InterpolantComputationTime, 885 NumberOfCodeBlocks, 885 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 746 ConstructedInterpolants, 0 QuantifiedInterpolants, 308055 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 112/127 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...