/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:48:34,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:48:34,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:48:34,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:48:34,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:48:34,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:48:34,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:48:34,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:48:34,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:48:34,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:48:34,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:48:34,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:48:34,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:48:34,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:48:34,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:48:34,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:48:34,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:48:34,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:48:34,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:48:34,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:48:34,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:48:34,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:48:34,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:48:34,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:48:34,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:48:34,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:48:34,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:48:34,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:48:34,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:48:34,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:48:34,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:48:34,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:48:34,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:48:34,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:48:34,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:48:34,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:48:34,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:48:34,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:48:34,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:48:34,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:48:34,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:48:34,306 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 [2020-10-15 01:48:34,349 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:48:34,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:48:34,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:48:34,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:48:34,351 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:48:34,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:48:34,352 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:48:34,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:48:34,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:48:34,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:48:34,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:48:34,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:48:34,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:48:34,354 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:48:34,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:48:34,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:48:34,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:48:34,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:48:34,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:48:34,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:48:34,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:48:34,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:48:34,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:48:34,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:48:34,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:48:34,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:48:34,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:48:34,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:48:34,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:48:34,357 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:48:34,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:48:34,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:48:34,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:48:34,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:48:34,681 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:48:34,682 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-10-15 01:48:34,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c0b75bd4/f062010b807a4ba1bda97abe11f26c90/FLAG7b243a37f [2020-10-15 01:48:35,237 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:48:35,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-10-15 01:48:35,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c0b75bd4/f062010b807a4ba1bda97abe11f26c90/FLAG7b243a37f [2020-10-15 01:48:35,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c0b75bd4/f062010b807a4ba1bda97abe11f26c90 [2020-10-15 01:48:35,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:48:35,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:48:35,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:48:35,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:48:35,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:48:35,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:48:35" (1/1) ... [2020-10-15 01:48:35,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e42023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:35, skipping insertion in model container [2020-10-15 01:48:35,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:48:35" (1/1) ... [2020-10-15 01:48:35,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:48:35,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:48:36,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:48:36,051 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:48:36,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:48:36,210 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:48:36,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36 WrapperNode [2020-10-15 01:48:36,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:48:36,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:48:36,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:48:36,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:48:36,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (1/1) ... [2020-10-15 01:48:36,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:48:36,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:48:36,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:48:36,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:48:36,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (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 [2020-10-15 01:48:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:48:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:48:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:48:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:48:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:48:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:48:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:48:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:48:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:48:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:48:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:48:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:48:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:48:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:48:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:48:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:48:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:48:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:48:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:48:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:48:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:48:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:48:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:48:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:48:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:48:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:48:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:48:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:48:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:48:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:48:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:48:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:48:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:48:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:48:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:48:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:48:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:48:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:48:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:48:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:48:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:48:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:48:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:48:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:48:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:48:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:48:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:48:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:48:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:48:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:48:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:48:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:48:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:48:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:48:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:48:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:48:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:48:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:48:37,455 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:48:37,456 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:48:37,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:48:37 BoogieIcfgContainer [2020-10-15 01:48:37,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:48:37,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:48:37,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:48:37,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:48:37,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:48:35" (1/3) ... [2020-10-15 01:48:37,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ccfa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:48:37, skipping insertion in model container [2020-10-15 01:48:37,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:36" (2/3) ... [2020-10-15 01:48:37,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ccfa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:48:37, skipping insertion in model container [2020-10-15 01:48:37,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:48:37" (3/3) ... [2020-10-15 01:48:37,469 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2020-10-15 01:48:37,480 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:48:37,488 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:48:37,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:48:37,528 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:48:37,528 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:48:37,528 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:48:37,528 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:48:37,529 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:48:37,529 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:48:37,529 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:48:37,529 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:48:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-10-15 01:48:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 01:48:37,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:37,562 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] [2020-10-15 01:48:37,562 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:37,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:37,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1915366745, now seen corresponding path program 1 times [2020-10-15 01:48:37,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:37,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744924982] [2020-10-15 01:48:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:38,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:41,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:42,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:42,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:48:42,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:48:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4673 [2020-10-15 01:48:42,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:42,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:48:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:48:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-10-15 01:48:43,230 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-15 01:48:43,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:43,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:43,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:48:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:43,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:43,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:48:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:43,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744924982] [2020-10-15 01:48:43,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:43,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:48:43,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254313016] [2020-10-15 01:48:43,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:48:43,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:43,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:48:43,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:48:43,565 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 7 states. [2020-10-15 01:48:44,217 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:45,204 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:45,639 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:46,001 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:46,347 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:47,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:47,838 INFO L93 Difference]: Finished difference Result 433 states and 574 transitions. [2020-10-15 01:48:47,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:48:47,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-15 01:48:47,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:47,857 INFO L225 Difference]: With dead ends: 433 [2020-10-15 01:48:47,857 INFO L226 Difference]: Without dead ends: 278 [2020-10-15 01:48:47,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:48:47,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-15 01:48:48,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 242. [2020-10-15 01:48:48,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-15 01:48:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 289 transitions. [2020-10-15 01:48:48,033 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 289 transitions. Word has length 46 [2020-10-15 01:48:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:48,034 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 289 transitions. [2020-10-15 01:48:48,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:48:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 289 transitions. [2020-10-15 01:48:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:48:48,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:48,046 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, 1, 1, 1, 1, 1] [2020-10-15 01:48:48,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:48:48,047 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:48,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:48,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1487565811, now seen corresponding path program 1 times [2020-10-15 01:48:48,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:48,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570335824] [2020-10-15 01:48:48,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:48,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:48,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:48:51,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:51,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3320 [2020-10-15 01:48:51,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:48:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 01:48:51,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:51,661 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:51,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:51,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 01:48:51,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:51,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:51,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:51,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:51,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:51,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:51,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:51,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:51,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:51,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:51,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:51,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:51,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:48:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:51,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:51,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:48:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:51,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:51,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:51,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:51,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:51,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:51,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:51,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570335824] [2020-10-15 01:48:51,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:51,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:48:51,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835054085] [2020-10-15 01:48:51,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:48:51,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:51,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:48:51,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:48:51,824 INFO L87 Difference]: Start difference. First operand 242 states and 289 transitions. Second operand 8 states. [2020-10-15 01:48:52,169 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:53,161 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:53,444 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:53,724 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:54,363 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:54,667 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:55,571 INFO L93 Difference]: Finished difference Result 624 states and 831 transitions. [2020-10-15 01:48:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:48:55,572 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-15 01:48:55,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:55,585 INFO L225 Difference]: With dead ends: 624 [2020-10-15 01:48:55,585 INFO L226 Difference]: Without dead ends: 406 [2020-10-15 01:48:55,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:48:55,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-15 01:48:55,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 357. [2020-10-15 01:48:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-10-15 01:48:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 447 transitions. [2020-10-15 01:48:55,682 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 447 transitions. Word has length 51 [2020-10-15 01:48:55,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:55,682 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 447 transitions. [2020-10-15 01:48:55,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:48:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 447 transitions. [2020-10-15 01:48:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-15 01:48:55,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:55,687 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 01:48:55,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:48:55,688 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:55,688 INFO L82 PathProgramCache]: Analyzing trace with hash 707485191, now seen corresponding path program 1 times [2020-10-15 01:48:55,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:55,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908267693] [2020-10-15 01:48:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:55,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:55,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:55,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:55,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:56,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:00,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:00,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-15 01:49:00,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:49:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 01:49:00,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:00,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:49:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 01:49:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:49:01,054 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:01,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 01:49:01,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:49:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:01,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:01,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:01,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:49:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:01,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:49:01,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:01,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:49:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:49:01,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:49:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 01:49:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:49:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:49:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-15 01:49:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:01,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:01,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 01:49:01,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:49:01,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 01:49:01,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:01,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:49:01,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:49:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:01,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:49:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:01,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:49:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:49:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:01,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:01,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 01:49:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 01:49:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 01:49:01,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908267693] [2020-10-15 01:49:01,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:01,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:49:01,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522447264] [2020-10-15 01:49:01,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:49:01,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:01,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:49:01,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:49:01,454 INFO L87 Difference]: Start difference. First operand 357 states and 447 transitions. Second operand 11 states. [2020-10-15 01:49:01,796 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:02,453 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:03,928 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:05,021 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-15 01:49:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:08,412 INFO L93 Difference]: Finished difference Result 1181 states and 1807 transitions. [2020-10-15 01:49:08,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 01:49:08,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-10-15 01:49:08,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:08,424 INFO L225 Difference]: With dead ends: 1181 [2020-10-15 01:49:08,424 INFO L226 Difference]: Without dead ends: 991 [2020-10-15 01:49:08,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-10-15 01:49:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-10-15 01:49:08,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 801. [2020-10-15 01:49:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-10-15 01:49:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1072 transitions. [2020-10-15 01:49:08,601 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1072 transitions. Word has length 113 [2020-10-15 01:49:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:08,601 INFO L479 AbstractCegarLoop]: Abstraction has 801 states and 1072 transitions. [2020-10-15 01:49:08,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:49:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1072 transitions. [2020-10-15 01:49:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 01:49:08,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:08,605 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:08,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:49:08,605 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:08,606 INFO L82 PathProgramCache]: Analyzing trace with hash 867602003, now seen corresponding path program 1 times [2020-10-15 01:49:08,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:08,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599565279] [2020-10-15 01:49:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:08,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:08,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:08,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:08,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:08,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:09,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:12,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-15 01:49:13,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 01:49:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 01:49:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:49:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-15 01:49:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:13,885 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:13,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:13,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:13,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 01:49:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:49:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:13,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:13,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:13,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:13,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:13,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:13,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:13,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:13,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:13,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:13,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:13,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:13,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:13,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:49:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:13,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:13,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:13,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:13,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:13,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:13,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:49:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:49:14,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:14,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:49:14,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 01:49:14,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 01:49:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:14,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:14,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:49:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:14,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:14,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 01:49:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:49:14,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:14,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:14,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 01:49:14,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 01:49:14,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:14,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:14,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:14,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:49:14,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:14,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:14,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 01:49:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:14,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:49:14,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 01:49:14,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:49:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:14,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:14,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:49:14,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:49:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:14,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:14,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:14,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:49:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:14,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:14,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:49:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:14,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:14,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:14,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:14,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:14,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:14,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:14,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 01:49:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:14,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:14,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 01:49:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:14,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:14,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:14,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:14,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:14,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:14,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:14,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-15 01:49:14,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599565279] [2020-10-15 01:49:14,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:49:14,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 01:49:14,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541154128] [2020-10-15 01:49:14,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:49:14,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:14,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:49:14,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:49:14,262 INFO L87 Difference]: Start difference. First operand 801 states and 1072 transitions. Second operand 12 states. [2020-10-15 01:49:14,609 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:15,432 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:15,779 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:49:16,140 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:49:16,437 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:49:16,774 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:17,030 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:17,367 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:19,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:19,535 INFO L93 Difference]: Finished difference Result 2517 states and 3645 transitions. [2020-10-15 01:49:19,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 01:49:19,536 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-10-15 01:49:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:19,551 INFO L225 Difference]: With dead ends: 2517 [2020-10-15 01:49:19,551 INFO L226 Difference]: Without dead ends: 1740 [2020-10-15 01:49:19,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:49:19,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2020-10-15 01:49:19,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1449. [2020-10-15 01:49:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2020-10-15 01:49:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1949 transitions. [2020-10-15 01:49:19,820 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1949 transitions. Word has length 132 [2020-10-15 01:49:19,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:19,821 INFO L479 AbstractCegarLoop]: Abstraction has 1449 states and 1949 transitions. [2020-10-15 01:49:19,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:49:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1949 transitions. [2020-10-15 01:49:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-15 01:49:19,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:19,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:19,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:49:19,825 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:19,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:19,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1200388110, now seen corresponding path program 1 times [2020-10-15 01:49:19,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:19,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417335038] [2020-10-15 01:49:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:20,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:20,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-15 01:49:20,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-10-15 01:49:20,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:20,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 01:49:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-15 01:49:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-15 01:49:21,166 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 01:49:21,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:49:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:21,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:21,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:21,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:21,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:21,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:21,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:21,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:21,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:21,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:21,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:49:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:21,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:21,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:21,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:49:21,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:21,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:49:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:49:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:21,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:21,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:21,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:21,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:21,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:21,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:21,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:21,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:21,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 01:49:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:21,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:21,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 01:49:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:21,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:21,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:49:21,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417335038] [2020-10-15 01:49:21,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:49:21,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:49:21,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188481210] [2020-10-15 01:49:21,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:49:21,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:21,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:49:21,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:49:21,408 INFO L87 Difference]: Start difference. First operand 1449 states and 1949 transitions. Second operand 11 states. [2020-10-15 01:49:21,788 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:22,468 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:23,043 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:23,382 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:23,675 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:23,929 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:25,470 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:27,070 INFO L93 Difference]: Finished difference Result 2822 states and 4065 transitions. [2020-10-15 01:49:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:49:27,071 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-10-15 01:49:27,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:27,086 INFO L225 Difference]: With dead ends: 2822 [2020-10-15 01:49:27,086 INFO L226 Difference]: Without dead ends: 1675 [2020-10-15 01:49:27,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2020-10-15 01:49:27,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-15 01:49:27,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1425. [2020-10-15 01:49:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-10-15 01:49:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1919 transitions. [2020-10-15 01:49:27,319 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1919 transitions. Word has length 94 [2020-10-15 01:49:27,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:27,319 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1919 transitions. [2020-10-15 01:49:27,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:49:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1919 transitions. [2020-10-15 01:49:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 01:49:27,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:27,324 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 01:49:27,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:49:27,324 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:27,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:27,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1914345530, now seen corresponding path program 1 times [2020-10-15 01:49:27,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:27,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104151615] [2020-10-15 01:49:27,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:27,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:27,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:27,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:27,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 01:49:27,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:49:27,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-15 01:49:27,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:27,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-15 01:49:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 01:49:27,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:28,200 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:28,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:49:28,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:28,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:28,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:28,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:28,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:28,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:28,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:28,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 01:49:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:49:28,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-15 01:49:28,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:49:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:28,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:28,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 01:49:28,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:49:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:49:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:28,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:49:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:49:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:28,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:49:28,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:28,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:28,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:49:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:28,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:28,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:28,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:28,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:28,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:28,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 01:49:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 01:49:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:49:28,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:28,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:49:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:28,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:28,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:28,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 01:49:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 01:49:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:28,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:28,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:28,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:28,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:28,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:28,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:28,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:28,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:49:28,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104151615] [2020-10-15 01:49:28,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:28,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:49:28,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279700798] [2020-10-15 01:49:28,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:49:28,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:28,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:49:28,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:49:28,673 INFO L87 Difference]: Start difference. First operand 1425 states and 1919 transitions. Second operand 11 states. [2020-10-15 01:49:29,215 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:29,890 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:30,129 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:49:30,380 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:30,655 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:31,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:31,687 INFO L93 Difference]: Finished difference Result 2734 states and 3669 transitions. [2020-10-15 01:49:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:49:31,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-15 01:49:31,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:31,698 INFO L225 Difference]: With dead ends: 2734 [2020-10-15 01:49:31,699 INFO L226 Difference]: Without dead ends: 1333 [2020-10-15 01:49:31,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2020-10-15 01:49:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2020-10-15 01:49:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1241. [2020-10-15 01:49:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-10-15 01:49:31,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1510 transitions. [2020-10-15 01:49:31,944 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1510 transitions. Word has length 121 [2020-10-15 01:49:31,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:31,944 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1510 transitions. [2020-10-15 01:49:31,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:49:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1510 transitions. [2020-10-15 01:49:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-15 01:49:31,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:31,948 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 01:49:31,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:49:31,949 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:31,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:31,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1464822328, now seen corresponding path program 1 times [2020-10-15 01:49:31,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:31,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578995745] [2020-10-15 01:49:31,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-15 01:49:32,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:49:32,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-15 01:49:32,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:32,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 01:49:32,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 01:49:32,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:32,795 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:32,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 01:49:32,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:32,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:32,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:32,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:32,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:32,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:32,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:32,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:32,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:32,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:32,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:32,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:32,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 01:49:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:32,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:32,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:32,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:32,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:32,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:32,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:49:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:32,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:32,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:49:33,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 01:49:33,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:49:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:33,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:33,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:49:33,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:49:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:33,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:33,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:49:33,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:49:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:33,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:33,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:49:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:33,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:33,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:33,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:33,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:49:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:33,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:33,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:33,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:33,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:33,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:33,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:33,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:33,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:33,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:49:33,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:33,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:33,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 01:49:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:33,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:33,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:33,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 01:49:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:33,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 01:49:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:33,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:33,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:33,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:33,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:33,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:33,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:33,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 01:49:33,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578995745] [2020-10-15 01:49:33,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:33,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:49:33,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019051139] [2020-10-15 01:49:33,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:49:33,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:33,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:49:33,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:49:33,164 INFO L87 Difference]: Start difference. First operand 1241 states and 1510 transitions. Second operand 11 states. [2020-10-15 01:49:33,526 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:34,355 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:49:34,617 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:49:34,864 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:49:36,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:36,635 INFO L93 Difference]: Finished difference Result 2413 states and 3078 transitions. [2020-10-15 01:49:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 01:49:36,635 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-10-15 01:49:36,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:36,642 INFO L225 Difference]: With dead ends: 2413 [2020-10-15 01:49:36,642 INFO L226 Difference]: Without dead ends: 1196 [2020-10-15 01:49:36,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-10-15 01:49:36,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-10-15 01:49:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1090. [2020-10-15 01:49:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2020-10-15 01:49:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1311 transitions. [2020-10-15 01:49:36,810 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1311 transitions. Word has length 123 [2020-10-15 01:49:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:36,810 INFO L479 AbstractCegarLoop]: Abstraction has 1090 states and 1311 transitions. [2020-10-15 01:49:36,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:49:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1311 transitions. [2020-10-15 01:49:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-15 01:49:36,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:36,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:36,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:49:36,814 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:36,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:36,814 INFO L82 PathProgramCache]: Analyzing trace with hash -41255168, now seen corresponding path program 1 times [2020-10-15 01:49:36,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:36,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392742158] [2020-10-15 01:49:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:36,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-15 01:49:38,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-15 01:49:38,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:49:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-15 01:49:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,284 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:49:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:38,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:38,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:49:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:38,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:49:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:49:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:49:38,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:49:38,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 01:49:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:38,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:49:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:38,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:38,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:38,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:38,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:38,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:38,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:38,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:49:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 01:49:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:38,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:49:38,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 01:49:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:49:38,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:38,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:49:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:49:38,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:38,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 01:49:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:38,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:38,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 01:49:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:38,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:38,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:38,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:38,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:38,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:38,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-15 01:49:38,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392742158] [2020-10-15 01:49:38,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:38,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 01:49:38,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014208844] [2020-10-15 01:49:38,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 01:49:38,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:38,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 01:49:38,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-15 01:49:38,656 INFO L87 Difference]: Start difference. First operand 1090 states and 1311 transitions. Second operand 14 states. [2020-10-15 01:49:39,114 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:39,687 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:40,217 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:40,525 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:40,785 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:41,048 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:42,930 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 186 [2020-10-15 01:49:43,255 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:44,567 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-10-15 01:49:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:44,918 INFO L93 Difference]: Finished difference Result 2829 states and 3553 transitions. [2020-10-15 01:49:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 01:49:44,919 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 130 [2020-10-15 01:49:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:44,931 INFO L225 Difference]: With dead ends: 2829 [2020-10-15 01:49:44,931 INFO L226 Difference]: Without dead ends: 1912 [2020-10-15 01:49:44,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-10-15 01:49:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-10-15 01:49:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1771. [2020-10-15 01:49:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1771 states. [2020-10-15 01:49:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2117 transitions. [2020-10-15 01:49:45,293 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2117 transitions. Word has length 130 [2020-10-15 01:49:45,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:45,294 INFO L479 AbstractCegarLoop]: Abstraction has 1771 states and 2117 transitions. [2020-10-15 01:49:45,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 01:49:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2117 transitions. [2020-10-15 01:49:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-15 01:49:45,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:45,300 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:45,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:49:45,300 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:45,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:45,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1876724494, now seen corresponding path program 2 times [2020-10-15 01:49:45,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:45,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530351063] [2020-10-15 01:49:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:49:45,348 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:49:45,349 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:49:45,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 01:49:45,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:49:45 BoogieIcfgContainer [2020-10-15 01:49:45,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:49:45,386 INFO L168 Benchmark]: Toolchain (without parser) took 69804.10 ms. Allocated memory was 146.8 MB in the beginning and 1.0 GB in the end (delta: 869.3 MB). Free memory was 101.9 MB in the beginning and 767.7 MB in the end (delta: -665.9 MB). Peak memory consumption was 203.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:45,386 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 01:49:45,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.97 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.5 MB in the beginning and 168.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:45,388 INFO L168 Benchmark]: Boogie Preprocessor took 100.25 ms. Allocated memory is still 202.9 MB. Free memory was 168.1 MB in the beginning and 162.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:45,389 INFO L168 Benchmark]: RCFGBuilder took 1149.04 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 162.3 MB in the beginning and 191.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:45,389 INFO L168 Benchmark]: TraceAbstraction took 67922.06 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 779.6 MB). Free memory was 191.5 MB in the beginning and 767.7 MB in the end (delta: -576.3 MB). Peak memory consumption was 203.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:45,393 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.97 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.5 MB in the beginning and 168.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.25 ms. Allocated memory is still 202.9 MB. Free memory was 168.1 MB in the beginning and 162.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1149.04 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 162.3 MB in the beginning and 191.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67922.06 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 779.6 MB). Free memory was 191.5 MB in the beginning and 767.7 MB in the end (delta: -576.3 MB). Peak memory consumption was 203.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 752]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int pumpRunning = 0; [L556] int systemActive = 1; [L757] int cleanupTimeShifts = 4; [L853] int waterLevel = 1; [L854] int methaneLevelCritical = 0; [L830] int retValue_acc ; [L831] int tmp ; [L835] FCALL select_helpers() [L836] FCALL select_features() [L837] CALL, EXPR valid_product() [L464] int retValue_acc ; [L467] retValue_acc = 1 [L468] return (retValue_acc); [L837] RET, EXPR valid_product() [L837] tmp = valid_product() [L839] COND TRUE \read(tmp) [L841] FCALL setup() [L842] CALL runTest() [L824] CALL test() [L480] int splverifierCounter ; [L481] int tmp ; [L482] int tmp___0 ; [L483] int tmp___1 ; [L484] int tmp___2 ; [L487] splverifierCounter = 0 [L489] COND TRUE 1 [L491] COND TRUE splverifierCounter < 4 [L497] tmp = __VERIFIER_nondet_int() [L499] COND TRUE \read(tmp) [L501] CALL waterRise() [L871] COND TRUE waterLevel < 2 [L872] waterLevel = waterLevel + 1 [L501] RET waterRise() [L507] tmp___0 = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp___0)) [L517] tmp___2 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___2)) [L525] tmp___1 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___1)) [L536] CALL timeShift() [L562] COND FALSE !(\read(pumpRunning)) [L569] COND TRUE \read(systemActive) [L571] CALL processEnvironment() [L591] int tmp ; [L594] COND TRUE ! pumpRunning [L596] CALL, EXPR isHighWaterLevel() [L706] int retValue_acc ; [L707] int tmp ; [L708] int tmp___0 ; [L712] CALL, EXPR isHighWaterSensorDry() [L933] int retValue_acc ; [L936] COND FALSE !(waterLevel < 2) [L940] retValue_acc = 0 [L941] return (retValue_acc); [L712] RET, EXPR isHighWaterSensorDry() [L712] tmp = isHighWaterSensorDry() [L714] COND FALSE !(\read(tmp)) [L717] tmp___0 = 1 [L719] retValue_acc = tmp___0 [L720] return (retValue_acc); [L596] RET, EXPR isHighWaterLevel() [L596] tmp = isHighWaterLevel() [L598] COND TRUE \read(tmp) [L600] CALL activatePump() [L625] int tmp ; [L629] CALL, EXPR isMethaneAlarm() [L650] int retValue_acc ; [L654] CALL, EXPR isMethaneLevelCritical() [L892] int retValue_acc ; [L895] retValue_acc = methaneLevelCritical [L896] return (retValue_acc); [L654] RET, EXPR isMethaneLevelCritical() [L654] retValue_acc = isMethaneLevelCritical() [L656] return (retValue_acc); [L629] RET, EXPR isMethaneAlarm() [L629] tmp = isMethaneAlarm() [L631] COND FALSE !(\read(tmp)) [L635] CALL activatePump__wrappee__highWaterSensor() [L619] pumpRunning = 1 [L635] RET activatePump__wrappee__highWaterSensor() [L600] RET activatePump() [L571] RET processEnvironment() [L577] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L924] int retValue_acc ; [L927] retValue_acc = waterLevel [L928] return (retValue_acc); [L49] RET, EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) [L577] RET __utac_acc__Specification4_spec__1() [L536] RET timeShift() [L489] COND TRUE 1 [L491] COND TRUE splverifierCounter < 4 [L497] tmp = __VERIFIER_nondet_int() [L499] COND FALSE !(\read(tmp)) [L507] tmp___0 = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp___0)) [L517] tmp___2 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___2)) [L525] tmp___1 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___1)) [L536] CALL timeShift() [L562] COND TRUE \read(pumpRunning) [L564] CALL lowerWaterLevel() [L859] COND TRUE waterLevel > 0 [L860] waterLevel = waterLevel - 1 [L564] RET lowerWaterLevel() [L569] COND TRUE \read(systemActive) [L571] CALL processEnvironment() [L591] int tmp ; [L594] COND FALSE !(! pumpRunning) [L609] FCALL processEnvironment__wrappee__base() [L571] RET processEnvironment() [L577] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L924] int retValue_acc ; [L927] retValue_acc = waterLevel [L928] return (retValue_acc); [L49] RET, EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) [L577] RET __utac_acc__Specification4_spec__1() [L536] RET timeShift() [L489] COND TRUE 1 [L491] COND TRUE splverifierCounter < 4 [L497] tmp = __VERIFIER_nondet_int() [L499] COND FALSE !(\read(tmp)) [L507] tmp___0 = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp___0)) [L517] tmp___2 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___2)) [L525] tmp___1 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___1)) [L536] CALL timeShift() [L562] COND TRUE \read(pumpRunning) [L564] CALL lowerWaterLevel() [L859] COND TRUE waterLevel > 0 [L860] waterLevel = waterLevel - 1 [L564] RET lowerWaterLevel() [L569] COND TRUE \read(systemActive) [L571] CALL processEnvironment() [L591] int tmp ; [L594] COND FALSE !(! pumpRunning) [L609] FCALL processEnvironment__wrappee__base() [L571] RET processEnvironment() [L577] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L924] int retValue_acc ; [L927] retValue_acc = waterLevel [L928] return (retValue_acc); [L49] RET, EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND TRUE tmp == 0 [L53] CALL, EXPR isPumpRunning() [L661] int retValue_acc ; [L664] retValue_acc = pumpRunning [L665] return (retValue_acc); [L53] RET, EXPR isPumpRunning() [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) [L57] CALL __automaton_fail() [L752] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 67.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 38.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1345 SDtfs, 4206 SDslu, 2134 SDs, 0 SdLazy, 9761 SolverSat, 3200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1771occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 1155 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 976 NumberOfCodeBlocks, 976 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 802 ConstructedInterpolants, 0 QuantifiedInterpolants, 315584 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 95/110 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...