/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:06:57,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:06:57,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:06:57,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:06:57,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:06:57,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:06:57,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:06:57,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:06:57,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:06:57,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:06:57,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:06:57,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:06:57,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:06:57,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:06:57,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:06:57,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:06:57,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:06:57,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:06:57,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:06:57,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:06:57,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:06:57,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:06:57,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:06:57,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:06:57,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:06:57,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:06:57,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:06:57,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:06:57,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:06:57,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:06:57,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:06:57,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:06:57,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:06:57,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:06:57,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:06:57,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:06:57,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:06:57,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:06:57,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:06:57,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:06:57,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:06:57,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:06:57,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:06:57,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:06:57,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:06:57,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:06:57,614 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:06:57,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:06:57,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:06:57,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:06:57,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:06:57,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:06:57,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:06:57,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:06:57,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:06:57,616 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:06:57,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:06:57,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:06:57,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:06:57,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:06:57,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:06:57,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:06:57,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:06:57,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:06:57,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:06:57,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:06:57,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:06:57,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:06:57,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:06:57,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:06:57,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:06:57,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:06:58,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:06:58,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:06:58,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:06:58,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:06:58,101 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:06:58,103 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-09-25 12:06:58,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ec2c4f4/700e0f3c67664b529a41ca5abe66221c/FLAG6b4c7d1bd [2020-09-25 12:06:58,772 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:06:58,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-09-25 12:06:58,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ec2c4f4/700e0f3c67664b529a41ca5abe66221c/FLAG6b4c7d1bd [2020-09-25 12:06:59,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ec2c4f4/700e0f3c67664b529a41ca5abe66221c [2020-09-25 12:06:59,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:06:59,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:06:59,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:06:59,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:06:59,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:06:59,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794240ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59, skipping insertion in model container [2020-09-25 12:06:59,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:06:59,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:06:59,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:06:59,611 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:06:59,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:06:59,873 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:06:59,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59 WrapperNode [2020-09-25 12:06:59,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:06:59,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:06:59,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:06:59,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:06:59,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... [2020-09-25 12:06:59,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:06:59,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:06:59,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:06:59,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:06:59,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:07:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:07:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:07:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:07:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:07:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:07:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:07:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:07:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:07:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:07:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:07:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:07:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:07:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:07:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:07:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:07:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:07:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:07:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:07:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:07:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:07:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:07:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:07:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:07:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:07:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:07:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:07:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:07:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:07:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:07:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:07:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:07:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:07:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:07:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:07:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:07:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:07:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:07:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:07:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:07:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:07:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:07:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:07:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:07:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:07:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:07:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:07:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:07:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:07:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:07:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:07:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:07:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:07:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:07:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:07:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:07:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:07:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:07:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:07:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:07:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:07:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:07:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:07:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:07:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:07:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:07:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:07:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:07:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:07:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:07:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:07:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:07:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:07:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:07:01,323 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:07:01,324 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:07:01,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:07:01 BoogieIcfgContainer [2020-09-25 12:07:01,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:07:01,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:07:01,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:07:01,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:07:01,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:06:59" (1/3) ... [2020-09-25 12:07:01,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa6a2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:07:01, skipping insertion in model container [2020-09-25 12:07:01,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:06:59" (2/3) ... [2020-09-25 12:07:01,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa6a2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:07:01, skipping insertion in model container [2020-09-25 12:07:01,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:07:01" (3/3) ... [2020-09-25 12:07:01,346 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2020-09-25 12:07:01,359 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:07:01,375 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:07:01,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:07:01,448 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:07:01,448 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:07:01,448 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:07:01,448 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:07:01,448 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:07:01,449 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:07:01,449 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:07:01,449 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:07:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2020-09-25 12:07:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 12:07:01,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:07:01,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:07:01,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:07:01,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:07:01,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1997357688, now seen corresponding path program 1 times [2020-09-25 12:07:01,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:07:01,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602741703] [2020-09-25 12:07:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:07:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:02,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:02,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:03,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:04,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:06,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:06,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 12:07:06,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:07:06,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 12:07:06,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:06,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:07:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:07:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 12:07:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 12:07:07,505 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:07:07,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:07:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:07,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:07,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:07:07,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 12:07:07,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:07,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:07:07,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:07:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:07,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:07,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:07,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:07:07,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:07,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:07,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:07:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:07,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:07,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:07,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:07,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:07,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:07:07,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:07,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:07:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:07,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:07,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:07,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:07,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:07,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:07:07,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:07,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:07,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:07,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:07:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:07,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:07,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:07,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:07:07,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:07,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:07,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:07:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:07,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:07,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:07,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:07,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:07:07,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:07,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:07:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:08,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:08,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:08,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:08,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:07:08,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:08,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:07:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:07:08,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602741703] [2020-09-25 12:07:08,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:07:08,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:07:08,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862055767] [2020-09-25 12:07:08,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:07:08,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:07:08,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:07:08,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:07:08,182 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 8 states. [2020-09-25 12:07:08,811 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:07:10,379 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 12:07:10,986 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 12:07:11,322 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:11,672 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:07:12,007 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:12,772 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:07:13,083 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:07:13,459 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:07:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:07:15,068 INFO L93 Difference]: Finished difference Result 599 states and 762 transitions. [2020-09-25 12:07:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 12:07:15,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 12:07:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:07:15,113 INFO L225 Difference]: With dead ends: 599 [2020-09-25 12:07:15,113 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 12:07:15,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-09-25 12:07:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 12:07:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 347. [2020-09-25 12:07:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-25 12:07:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 393 transitions. [2020-09-25 12:07:15,266 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 393 transitions. Word has length 142 [2020-09-25 12:07:15,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:07:15,267 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 393 transitions. [2020-09-25 12:07:15,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:07:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 393 transitions. [2020-09-25 12:07:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 12:07:15,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:07:15,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:07:15,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:07:15,273 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:07:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:07:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash 362061811, now seen corresponding path program 1 times [2020-09-25 12:07:15,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:07:15,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850034837] [2020-09-25 12:07:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:07:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:15,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:16,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:18,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:18,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:20,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:20,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 12:07:20,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:07:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 12:07:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:20,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 12:07:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:07:20,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-09-25 12:07:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:07:20,705 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:07:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:07:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:20,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:07:21,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 12:07:21,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:07:21,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:07:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:21,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:07:21,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:21,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:07:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:21,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:07:21,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:21,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:07:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:21,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:07:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:07:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:21,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:07:21,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 12:07:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:07:21,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:07:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 12:07:21,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:07:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:07:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 12:07:21,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:07:21,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:07:21,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 12:07:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:21,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:07:21,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:21,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 12:07:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:07:21,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:07:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 12:07:21,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 12:07:21,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:07:21,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:07:21,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 12:07:21,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:07:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:07:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:07:21,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:07:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 12:07:21,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:07:21,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:07:21,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:07:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:07:21,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:07:21,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:07:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:07:21,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:07:21,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:07:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:21,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 12:07:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:21,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:07:21,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:07:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:21,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:21,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:07:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 12:07:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:21,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:21,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:21,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:21,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:07:21,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:21,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:07:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:21,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 12:07:21,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850034837] [2020-09-25 12:07:21,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:07:21,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 12:07:21,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348278915] [2020-09-25 12:07:21,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 12:07:21,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:07:21,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 12:07:21,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:07:21,850 INFO L87 Difference]: Start difference. First operand 347 states and 393 transitions. Second operand 17 states. [2020-09-25 12:07:22,313 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:07:23,486 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:07:23,860 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:07:24,246 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:07:24,623 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:07:24,953 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:07:25,588 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:25,904 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:07:26,229 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:07:26,555 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:26,882 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:07:27,184 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:27,924 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:07:28,224 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:07:28,654 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:07:29,228 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:07:29,556 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:29,916 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:07:30,385 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:07:30,777 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:07:31,083 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:07:32,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:07:32,569 INFO L93 Difference]: Finished difference Result 973 states and 1390 transitions. [2020-09-25 12:07:32,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 12:07:32,570 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 205 [2020-09-25 12:07:32,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:07:32,596 INFO L225 Difference]: With dead ends: 973 [2020-09-25 12:07:32,597 INFO L226 Difference]: Without dead ends: 736 [2020-09-25 12:07:32,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=314, Invalid=1326, Unknown=0, NotChecked=0, Total=1640 [2020-09-25 12:07:32,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-09-25 12:07:32,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 553. [2020-09-25 12:07:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-09-25 12:07:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 689 transitions. [2020-09-25 12:07:32,760 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 689 transitions. Word has length 205 [2020-09-25 12:07:32,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:07:32,764 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 689 transitions. [2020-09-25 12:07:32,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 12:07:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 689 transitions. [2020-09-25 12:07:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-25 12:07:32,774 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:07:32,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:07:32,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:07:32,775 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:07:32,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:07:32,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1437607005, now seen corresponding path program 1 times [2020-09-25 12:07:32,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:07:32,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876275187] [2020-09-25 12:07:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:07:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:33,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:33,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:33,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:33,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:37,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:37,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 12:07:37,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:07:37,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4344 [2020-09-25 12:07:37,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:37,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:07:37,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-25 12:07:37,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:37,541 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:07:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:07:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:37,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:37,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:07:37,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-25 12:07:37,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:37,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:07:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:37,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:07:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:37,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:37,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:37,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:37,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:07:37,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:37,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:37,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:07:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:37,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:37,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:37,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:37,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:07:37,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:37,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:37,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:07:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:37,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:37,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:37,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:37,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:37,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:07:37,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:37,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:37,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:37,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:37,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:07:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:37,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:07:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:07:37,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:37,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:37,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:07:37,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:37,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 12:07:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-25 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:07:38,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-25 12:07:38,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:38,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:07:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:07:38,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:07:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 12:07:38,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:07:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:07:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:07:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:07:38,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 12:07:38,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:07:38,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:07:38,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:07:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:07:38,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 12:07:38,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:07:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:07:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:07:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:07:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:07:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:07:38,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:07:38,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:07:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:07:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:07:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:07:38,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:07:38,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:07:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:07:38,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 12:07:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:07:38,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:07:38,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:07:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:38,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:07:38,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:38,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 12:07:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:07:38,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:07:38,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:07:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:07:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:07:38,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 12:07:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:38,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:07:38,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:07:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 12:07:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:38,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:07:38,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:07:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:07:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:38,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:07:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:07:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:07:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:07:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 12:07:38,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876275187] [2020-09-25 12:07:38,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:07:38,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 12:07:38,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320547060] [2020-09-25 12:07:38,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:07:38,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:07:38,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:07:38,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:07:38,602 INFO L87 Difference]: Start difference. First operand 553 states and 689 transitions. Second operand 11 states. [2020-09-25 12:07:39,102 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:07:40,119 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:07:40,430 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:07:40,758 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:07:41,091 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:07:41,396 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:07:42,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:07:42,813 INFO L93 Difference]: Finished difference Result 1156 states and 1630 transitions. [2020-09-25 12:07:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 12:07:42,813 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2020-09-25 12:07:42,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:07:42,822 INFO L225 Difference]: With dead ends: 1156 [2020-09-25 12:07:42,822 INFO L226 Difference]: Without dead ends: 713 [2020-09-25 12:07:42,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 12:07:42,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-09-25 12:07:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 544. [2020-09-25 12:07:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-09-25 12:07:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 665 transitions. [2020-09-25 12:07:42,907 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 665 transitions. Word has length 220 [2020-09-25 12:07:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:07:42,908 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 665 transitions. [2020-09-25 12:07:42,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:07:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 665 transitions. [2020-09-25 12:07:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-09-25 12:07:42,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:07:42,913 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:07:42,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:07:42,914 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:07:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:07:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash -322489492, now seen corresponding path program 1 times [2020-09-25 12:07:42,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:07:42,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534975071] [2020-09-25 12:07:42,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:07:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:43,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:43,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:47,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:07:47,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 12:07:47,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:07:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 12:07:47,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:07:47,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:07:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 12:07:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 12:07:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-25 12:07:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1