/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=WIDESTAMONGSMALL --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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:11:06,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:11:06,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:11:06,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:11:06,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:11:06,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:11:06,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:11:06,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:11:06,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:11:06,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:11:06,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:11:06,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:11:06,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:11:06,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:11:06,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:11:06,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:11:06,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:11:06,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:11:06,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:11:06,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:11:06,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:11:06,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:11:06,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:11:06,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:11:06,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:11:06,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:11:06,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:11:06,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:11:06,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:11:06,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:11:06,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:11:06,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:11:06,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:11:06,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:11:07,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:11:07,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:11:07,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:11:07,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:11:07,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:11:07,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:11:07,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:11:07,005 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 04:11:07,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:11:07,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:11:07,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:11:07,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:11:07,051 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:11:07,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:11:07,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:11:07,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:11:07,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:11:07,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:11:07,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:11:07,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:11:07,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:11:07,055 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:11:07,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:11:07,055 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:11:07,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:11:07,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:11:07,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:11:07,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:11:07,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:11:07,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:11:07,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:11:07,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:11:07,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:11:07,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:11:07,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:11:07,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:11:07,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:11:07,058 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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:11:07,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:11:07,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:11:07,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:11:07,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:11:07,546 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:11:07,547 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-09-25 04:11:07,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3303304b7/c1da32cdd32f41b0b6339b558f2a8ab0/FLAG85b8fb46d [2020-09-25 04:11:08,249 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:11:08,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-09-25 04:11:08,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3303304b7/c1da32cdd32f41b0b6339b558f2a8ab0/FLAG85b8fb46d [2020-09-25 04:11:08,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3303304b7/c1da32cdd32f41b0b6339b558f2a8ab0 [2020-09-25 04:11:08,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:11:08,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:11:08,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:11:08,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:11:08,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:11:08,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:11:08" (1/1) ... [2020-09-25 04:11:08,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:08, skipping insertion in model container [2020-09-25 04:11:08,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:11:08" (1/1) ... [2020-09-25 04:11:08,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:11:08,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:11:09,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:11:09,179 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:11:09,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:11:09,344 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:11:09,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09 WrapperNode [2020-09-25 04:11:09,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:11:09,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:11:09,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:11:09,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:11:09,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (1/1) ... [2020-09-25 04:11:09,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:11:09,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:11:09,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:11:09,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:11:09,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (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 04:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:11:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:11:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:11:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:11:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:11:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:11:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:11:09,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:11:09,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:11:09,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:11:09,534 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:11:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:11:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:11:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:11:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:11:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:11:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:11:10,714 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:11:10,714 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:11:10,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:11:10 BoogieIcfgContainer [2020-09-25 04:11:10,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:11:10,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:11:10,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:11:10,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:11:10,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:11:08" (1/3) ... [2020-09-25 04:11:10,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cc1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:11:10, skipping insertion in model container [2020-09-25 04:11:10,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:09" (2/3) ... [2020-09-25 04:11:10,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cc1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:11:10, skipping insertion in model container [2020-09-25 04:11:10,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:11:10" (3/3) ... [2020-09-25 04:11:10,742 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-09-25 04:11:10,756 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:11:10,770 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:11:10,795 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:11:10,842 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:11:10,843 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:11:10,843 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:11:10,844 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:11:10,844 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:11:10,845 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:11:10,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:11:10,846 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:11:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-25 04:11:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 04:11:10,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:10,930 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 04:11:10,932 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:10,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:10,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1566233941, now seen corresponding path program 1 times [2020-09-25 04:11:10,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:10,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529023490] [2020-09-25 04:11:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:11,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:11,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:13,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:16,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:16,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 04:11:16,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 04:11:16,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:16,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:11:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:16,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:11:17,003 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:17,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:17,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 04:11:17,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:17,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:17,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:17,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:17,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:17,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:11:17,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:17,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:17,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:11:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:17,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:17,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:11:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:17,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:17,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:17,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:17,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:17,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:17,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:17,355 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 04:11:17,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529023490] [2020-09-25 04:11:17,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:17,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:11:17,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74445808] [2020-09-25 04:11:17,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:11:17,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:17,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:11:17,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:11:17,394 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 3 states. [2020-09-25 04:11:19,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:19,240 INFO L93 Difference]: Finished difference Result 564 states and 670 transitions. [2020-09-25 04:11:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:11:19,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 04:11:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:19,283 INFO L225 Difference]: With dead ends: 564 [2020-09-25 04:11:19,284 INFO L226 Difference]: Without dead ends: 342 [2020-09-25 04:11:19,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:11:19,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-25 04:11:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2020-09-25 04:11:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-25 04:11:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 324 transitions. [2020-09-25 04:11:19,457 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 324 transitions. Word has length 142 [2020-09-25 04:11:19,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:19,459 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 324 transitions. [2020-09-25 04:11:19,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:11:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 324 transitions. [2020-09-25 04:11:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 04:11:19,463 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:19,463 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] [2020-09-25 04:11:19,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:11:19,464 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash -524191348, now seen corresponding path program 1 times [2020-09-25 04:11:19,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:19,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674755311] [2020-09-25 04:11:19,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:19,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:21,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:21,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 04:11:24,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:11:24,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 04:11:24,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:11:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:11:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,834 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:24,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 04:11:24,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:24,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:24,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:24,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:24,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:24,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:24,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:24,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:25,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:25,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:25,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:25,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:25,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:25,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:25,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:25,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:25,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:25,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:25,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:25,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:25,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:25,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:25,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:25,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:25,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:25,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:25,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:25,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:25,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:11:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:25,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:25,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:25,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:25,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:25,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:25,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:25,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:25,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:11:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:25,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:25,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:25,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:25,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:25,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:25,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:25,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:25,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:25,094 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 04:11:25,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674755311] [2020-09-25 04:11:25,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:25,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:11:25,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535990610] [2020-09-25 04:11:25,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:11:25,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:25,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:11:25,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:11:25,099 INFO L87 Difference]: Start difference. First operand 296 states and 324 transitions. Second operand 4 states. [2020-09-25 04:11:25,754 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:11:26,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:26,927 INFO L93 Difference]: Finished difference Result 471 states and 533 transitions. [2020-09-25 04:11:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:11:26,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:11:26,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:26,932 INFO L225 Difference]: With dead ends: 471 [2020-09-25 04:11:26,932 INFO L226 Difference]: Without dead ends: 325 [2020-09-25 04:11:26,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:11:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-09-25 04:11:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 286. [2020-09-25 04:11:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-25 04:11:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 311 transitions. [2020-09-25 04:11:26,985 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 311 transitions. Word has length 143 [2020-09-25 04:11:26,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:26,986 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 311 transitions. [2020-09-25 04:11:26,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:11:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 311 transitions. [2020-09-25 04:11:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 04:11:26,988 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:26,988 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] [2020-09-25 04:11:26,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:11:26,989 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:26,989 INFO L82 PathProgramCache]: Analyzing trace with hash 2075975327, now seen corresponding path program 1 times [2020-09-25 04:11:26,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:26,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782710900] [2020-09-25 04:11:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:27,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:28,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:29,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:11:32,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:11:32,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:11:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:11:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,320 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:32,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:32,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 04:11:32,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:32,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:32,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:32,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:32,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:32,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:32,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:32,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:32,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:11:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:32,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:32,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:11:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:11:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:11:32,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:11:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:32,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:32,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:32,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:32,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:32,564 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 04:11:32,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782710900] [2020-09-25 04:11:32,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:32,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:11:32,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66733224] [2020-09-25 04:11:32,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:11:32,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:32,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:11:32,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:11:32,569 INFO L87 Difference]: Start difference. First operand 286 states and 311 transitions. Second operand 5 states. [2020-09-25 04:11:33,038 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:35,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:35,424 INFO L93 Difference]: Finished difference Result 712 states and 826 transitions. [2020-09-25 04:11:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:11:35,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 04:11:35,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:35,432 INFO L225 Difference]: With dead ends: 712 [2020-09-25 04:11:35,432 INFO L226 Difference]: Without dead ends: 536 [2020-09-25 04:11:35,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:11:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-25 04:11:35,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 452. [2020-09-25 04:11:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-09-25 04:11:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 503 transitions. [2020-09-25 04:11:35,513 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 503 transitions. Word has length 156 [2020-09-25 04:11:35,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:35,514 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 503 transitions. [2020-09-25 04:11:35,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:11:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 503 transitions. [2020-09-25 04:11:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:11:35,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:35,516 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] [2020-09-25 04:11:35,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:11:35,517 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:35,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:35,517 INFO L82 PathProgramCache]: Analyzing trace with hash 629376790, now seen corresponding path program 1 times [2020-09-25 04:11:35,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:35,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400790160] [2020-09-25 04:11:35,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:40,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 04:11:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 04:11:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:40,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:11:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:11:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:40,954 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:40,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:40,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:41,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 04:11:41,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:41,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:41,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:41,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:41,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:41,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:11:41,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:11:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:11:41,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:41,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:11:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:41,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:41,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:41,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:11:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:11:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:41,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:41,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:41,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:11:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:41,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:11:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:11:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:41,310 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 04:11:41,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400790160] [2020-09-25 04:11:41,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:41,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:11:41,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477126431] [2020-09-25 04:11:41,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:11:41,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:41,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:11:41,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:11:41,314 INFO L87 Difference]: Start difference. First operand 452 states and 503 transitions. Second operand 9 states. [2020-09-25 04:11:42,017 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:43,715 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 04:11:44,321 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 04:11:44,627 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:44,966 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:11:45,279 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:11:46,051 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:46,406 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:11:46,763 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:48,398 INFO L93 Difference]: Finished difference Result 1079 states and 1295 transitions. [2020-09-25 04:11:48,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 04:11:48,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 04:11:48,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:48,408 INFO L225 Difference]: With dead ends: 1079 [2020-09-25 04:11:48,409 INFO L226 Difference]: Without dead ends: 737 [2020-09-25 04:11:48,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2020-09-25 04:11:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-09-25 04:11:48,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 638. [2020-09-25 04:11:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-09-25 04:11:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 719 transitions. [2020-09-25 04:11:48,506 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 719 transitions. Word has length 161 [2020-09-25 04:11:48,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:48,507 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 719 transitions. [2020-09-25 04:11:48,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:11:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 719 transitions. [2020-09-25 04:11:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 04:11:48,510 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:48,511 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] [2020-09-25 04:11:48,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:11:48,511 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:48,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:48,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1326013704, now seen corresponding path program 1 times [2020-09-25 04:11:48,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:48,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555479097] [2020-09-25 04:11:48,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:48,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:49,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:53,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:53,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-25 04:11:53,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:11:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 04:11:53,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:53,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-25 04:11:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:11:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:53,843 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:53,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:53,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:53,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 04:11:53,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:53,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:11:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:53,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:53,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:53,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:53,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:53,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:53,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:53,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:53,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:53,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:53,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:53,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:53,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:53,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:54,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:54,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:54,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:54,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:11:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:54,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:54,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:11:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 04:11:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 04:11:54,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:11:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:11:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 04:11:54,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 04:11:54,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 04:11:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:11:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:11:54,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 04:11:54,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:11:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:11:54,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:11:54,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 04:11:54,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:11:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 04:11:54,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:11:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:11:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:11:54,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:11:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:54,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:54,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 04:11:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 04:11:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:54,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:54,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:54,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:54,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 04:11:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:54,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:54,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:54,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:54,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:54,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0