/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=0.2 --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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:00:20,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:00:20,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:00:20,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:00:20,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:00:20,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:00:20,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:00:20,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:00:20,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:00:20,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:00:20,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:00:20,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:00:20,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:00:20,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:00:20,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:00:20,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:00:20,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:00:20,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:00:20,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:00:20,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:00:20,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:00:20,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:00:20,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:00:20,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:00:20,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:00:20,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:00:20,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:00:20,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:00:20,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:00:20,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:00:20,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:00:20,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:00:20,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:00:20,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:00:20,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:00:20,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:00:20,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:00:20,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:00:20,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:00:20,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:00:20,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:00:21,000 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 11:00:21,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:00:21,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:00:21,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:00:21,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:00:21,028 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:00:21,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:00:21,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:00:21,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:00:21,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:00:21,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:00:21,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:00:21,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:00:21,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:00:21,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:00:21,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:00:21,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:00:21,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:00:21,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:00:21,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:00:21,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:00:21,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:00:21,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:00:21,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:00:21,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:00:21,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:00:21,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:00:21,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:00:21,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:00:21,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:00:21,033 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:00:21,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:00:21,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:00:21,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:00:21,542 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:00:21,542 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:00:21,543 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-09-25 11:00:21,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8f685e1f/5d298a9aa273474684f107882632186b/FLAG54eef8033 [2020-09-25 11:00:22,253 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:00:22,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-09-25 11:00:22,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8f685e1f/5d298a9aa273474684f107882632186b/FLAG54eef8033 [2020-09-25 11:00:22,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8f685e1f/5d298a9aa273474684f107882632186b [2020-09-25 11:00:22,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:00:22,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:00:22,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:00:22,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:00:22,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:00:22,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:00:22" (1/1) ... [2020-09-25 11:00:22,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:22, skipping insertion in model container [2020-09-25 11:00:22,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:00:22" (1/1) ... [2020-09-25 11:00:22,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:00:22,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:00:23,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:00:23,018 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:00:23,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:00:23,269 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:00:23,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23 WrapperNode [2020-09-25 11:00:23,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:00:23,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:00:23,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:00:23,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:00:23,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (1/1) ... [2020-09-25 11:00:23,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:00:23,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:00:23,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:00:23,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:00:23,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (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 11:00:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:00:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:00:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:00:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:00:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:00:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:00:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:00:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:00:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:00:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:00:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:00:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:00:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:00:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 11:00:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:00:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:00:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:00:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:00:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:00:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:00:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:00:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:00:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:00:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:00:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:00:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:00:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:00:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 11:00:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:00:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:00:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:00:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:00:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:00:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:00:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:00:23,503 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:00:23,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:00:23,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:00:23,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:00:23,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:00:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:00:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:00:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:00:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:00:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:00:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:00:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:00:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:00:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:00:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:00:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:00:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:00:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:00:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:00:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:00:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:00:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:00:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:00:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:00:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:00:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:00:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:00:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:00:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:00:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 11:00:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:00:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:00:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:00:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:00:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:00:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:00:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:00:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:00:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:00:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:00:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:00:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:00:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:00:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:00:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:00:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:00:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:00:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:00:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:00:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:00:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:00:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:00:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:00:24,777 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:00:24,777 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:00:24,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:00:24 BoogieIcfgContainer [2020-09-25 11:00:24,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:00:24,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:00:24,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:00:24,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:00:24,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:00:22" (1/3) ... [2020-09-25 11:00:24,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cf603f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:00:24, skipping insertion in model container [2020-09-25 11:00:24,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:23" (2/3) ... [2020-09-25 11:00:24,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cf603f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:00:24, skipping insertion in model container [2020-09-25 11:00:24,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:00:24" (3/3) ... [2020-09-25 11:00:24,798 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2020-09-25 11:00:24,811 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:00:24,823 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:00:24,848 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:00:24,883 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:00:24,884 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:00:24,884 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:00:24,884 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:00:24,884 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:00:24,884 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:00:24,885 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:00:24,885 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:00:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2020-09-25 11:00:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:00:24,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:00:24,935 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 11:00:24,936 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:00:24,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:00:24,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1304799548, now seen corresponding path program 1 times [2020-09-25 11:00:24,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:00:24,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371243540] [2020-09-25 11:00:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:00:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:25,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:27,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:29,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:30,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:30,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:00:30,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:00:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-09-25 11:00:30,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:30,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:00:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:00:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-25 11:00:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:00:30,984 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:00:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:00:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:00:31,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-09-25 11:00:31,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:00:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:00:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:31,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:00:31,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:00:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:31,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:00:31,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:31,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:00:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:31,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 11:00:31,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:00:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:00:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:31,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:00:31,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:00:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:31,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:00:31,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:00:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:00:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:31,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:31,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:31,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:00:31,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:31,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:00:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:00:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:31,827 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 11:00:31,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371243540] [2020-09-25 11:00:31,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:00:31,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:00:31,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348629481] [2020-09-25 11:00:31,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:00:31,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:00:31,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:00:31,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:00:31,867 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 8 states. [2020-09-25 11:00:32,510 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:00:33,725 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:34,095 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:00:34,470 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:00:34,836 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:00:35,175 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:00:36,179 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:00:36,486 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:00:36,892 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:00:38,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:00:38,198 INFO L93 Difference]: Finished difference Result 637 states and 793 transitions. [2020-09-25 11:00:38,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 11:00:38,200 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 11:00:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:00:38,228 INFO L225 Difference]: With dead ends: 637 [2020-09-25 11:00:38,228 INFO L226 Difference]: Without dead ends: 427 [2020-09-25 11:00:38,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:00:38,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-09-25 11:00:38,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 383. [2020-09-25 11:00:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 11:00:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 438 transitions. [2020-09-25 11:00:38,383 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 438 transitions. Word has length 142 [2020-09-25 11:00:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:00:38,384 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 438 transitions. [2020-09-25 11:00:38,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:00:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 438 transitions. [2020-09-25 11:00:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 11:00:38,391 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:00:38,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:38,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:00:38,394 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:00:38,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:00:38,394 INFO L82 PathProgramCache]: Analyzing trace with hash 704990186, now seen corresponding path program 1 times [2020-09-25 11:00:38,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:00:38,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305263558] [2020-09-25 11:00:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:00:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:38,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:39,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:43,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:43,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 11:00:43,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:00:43,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 11:00:43,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:43,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 11:00:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:00:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-25 11:00:43,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:43,804 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:00:43,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:00:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:43,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:00:44,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 11:00:44,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:00:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:00:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:44,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:00:44,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:00:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:00:44,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:00:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:44,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:00:44,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:00:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 33 [2020-09-25 11:00:44,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:00:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:44,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:00:44,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:44,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:44,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 11:00:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:00:44,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:00:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 11:00:44,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:00:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:00:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:00:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:00:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-25 11:00:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:00:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:00:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:00:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:00:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:00:44,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 11:00:44,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:00:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:00:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:00:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:00:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:00:44,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:00:44,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:00:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:00:44,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:00:44,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:00:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:00:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:00:44,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:00:44,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:44,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:00:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:44,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:00:44,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:00:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:00:44,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:00:44,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 11:00:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:44,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:00:44,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:00:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:00:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:00:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 11:00:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:44,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:44,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:44,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:44,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:00:44,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:44,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:00:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:44,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:44,951 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 11:00:44,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305263558] [2020-09-25 11:00:44,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:00:44,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 11:00:44,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689214900] [2020-09-25 11:00:44,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 11:00:44,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:00:44,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 11:00:44,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:00:44,958 INFO L87 Difference]: Start difference. First operand 383 states and 438 transitions. Second operand 14 states. [2020-09-25 11:00:45,426 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:00:46,467 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:46,842 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:00:47,220 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:00:47,628 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:00:47,982 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:00:48,659 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:00:49,029 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:00:49,371 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:49,732 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:00:50,067 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:00:50,448 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:50,852 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:00:51,223 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:51,812 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:00:52,153 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:52,515 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:00:52,887 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:00:53,250 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:00:53,555 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:00:55,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:00:55,382 INFO L93 Difference]: Finished difference Result 987 states and 1279 transitions. [2020-09-25 11:00:55,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 11:00:55,382 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-25 11:00:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:00:55,393 INFO L225 Difference]: With dead ends: 987 [2020-09-25 11:00:55,393 INFO L226 Difference]: Without dead ends: 714 [2020-09-25 11:00:55,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=203, Invalid=987, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 11:00:55,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2020-09-25 11:00:55,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 606. [2020-09-25 11:00:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-09-25 11:00:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 705 transitions. [2020-09-25 11:00:55,493 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 705 transitions. Word has length 212 [2020-09-25 11:00:55,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:00:55,494 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 705 transitions. [2020-09-25 11:00:55,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 11:00:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 705 transitions. [2020-09-25 11:00:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 11:00:55,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:00:55,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:55,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:00:55,501 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:00:55,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:00:55,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1302178339, now seen corresponding path program 1 times [2020-09-25 11:00:55,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:00:55,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075165423] [2020-09-25 11:00:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:00:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:55,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:55,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:00,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:00,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 11:01:00,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:00,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 11:01:00,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:00,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 11:01:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:01:00,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 11:01:00,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:00,931 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:01:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:01:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:01:01,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 11:01:01,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:01:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:01:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:01,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:01:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:01,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:01:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:01,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:01:01,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:01:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:01,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:01,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:01:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:01:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:01,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:01:01,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 11:01:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:01:01,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:01,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:01:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:01:01,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:01:01,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:01:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:01:01,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-25 11:01:01,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:01:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 11:01:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:01:01,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:01,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 11:01:01,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:01:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:01:01,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:01,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 11:01:01,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:01:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:01:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:01:01,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:01,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:01:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:01:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:01:01,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:01:01,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 11:01:01,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:01:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:01:01,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:01:01,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:01,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:01:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:01,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:01:01,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:01,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:01:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:01:01,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:01,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:01:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:01,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:01:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 11:01:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:01,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:01,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:01,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:01,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:01,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:01,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:01:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:01,959 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 11:01:01,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075165423] [2020-09-25 11:01:01,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:01:01,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:01:01,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977083649] [2020-09-25 11:01:01,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:01:01,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:01:01,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:01:01,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:01:01,962 INFO L87 Difference]: Start difference. First operand 606 states and 705 transitions. Second operand 10 states. [2020-09-25 11:01:02,636 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:03,495 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:05,567 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:09,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:01:09,168 INFO L93 Difference]: Finished difference Result 1543 states and 2104 transitions. [2020-09-25 11:01:09,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 11:01:09,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-25 11:01:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:01:09,179 INFO L225 Difference]: With dead ends: 1543 [2020-09-25 11:01:09,179 INFO L226 Difference]: Without dead ends: 1252 [2020-09-25 11:01:09,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2020-09-25 11:01:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-09-25 11:01:09,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1051. [2020-09-25 11:01:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-09-25 11:01:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1315 transitions. [2020-09-25 11:01:09,343 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1315 transitions. Word has length 217 [2020-09-25 11:01:09,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:01:09,344 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1315 transitions. [2020-09-25 11:01:09,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:01:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1315 transitions. [2020-09-25 11:01:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 11:01:09,348 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:01:09,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:09,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:01:09,349 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:01:09,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:01:09,349 INFO L82 PathProgramCache]: Analyzing trace with hash -752576634, now seen corresponding path program 1 times [2020-09-25 11:01:09,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:01:09,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57621375] [2020-09-25 11:01:09,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:01:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:09,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:12,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 11:01:12,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3394 [2020-09-25 11:01:12,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:12,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 11:01:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:01:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-25 11:01:12,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:13,206 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:01:13,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:01:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:13,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking...