/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:01:46,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:01:46,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:01:46,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:01:46,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:01:46,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:01:46,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:01:46,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:01:46,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:01:46,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:01:46,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:01:46,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:01:46,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:01:46,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:01:46,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:01:46,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:01:46,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:01:46,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:01:46,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:01:46,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:01:46,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:01:46,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:01:46,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:01:46,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:01:46,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:01:47,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:01:47,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:01:47,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:01:47,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:01:47,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:01:47,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:01:47,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:01:47,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:01:47,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:01:47,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:01:47,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:01:47,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:01:47,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:01:47,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:01:47,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:01:47,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:01:47,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:01:47,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:01:47,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:01:47,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:01:47,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:01:47,043 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:01:47,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:01:47,044 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:01:47,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:01:47,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:01:47,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:01:47,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:01:47,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:01:47,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:01:47,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:01:47,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:01:47,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:01:47,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:01:47,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:01:47,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:01:47,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:01:47,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:01:47,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:01:47,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:01:47,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:01:47,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:01:47,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:01:47,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:01:47,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:01:47,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:01:47,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:01:47,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:01:47,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:01:47,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:01:47,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:01:47,549 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:01:47,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-10-28 17:01:47,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/991d75e74/45f4915b88104ddf8d75dabedc0047c5/FLAG42c1b455d [2020-10-28 17:01:48,458 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:01:48,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-10-28 17:01:48,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/991d75e74/45f4915b88104ddf8d75dabedc0047c5/FLAG42c1b455d [2020-10-28 17:01:48,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/991d75e74/45f4915b88104ddf8d75dabedc0047c5 [2020-10-28 17:01:48,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:01:48,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:01:48,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:01:48,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:01:48,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:01:48,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:01:48" (1/1) ... [2020-10-28 17:01:48,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0a98c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:48, skipping insertion in model container [2020-10-28 17:01:48,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:01:48" (1/1) ... [2020-10-28 17:01:48,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:01:48,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:01:49,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:01:49,104 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:01:49,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:01:49,306 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:01:49,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49 WrapperNode [2020-10-28 17:01:49,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:01:49,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:01:49,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:01:49,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:01:49,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... [2020-10-28 17:01:49,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:01:49,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:01:49,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:01:49,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:01:49,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:01:49,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:01:49,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:01:49,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:01:49,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:01:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:01:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:01:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:01:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:01:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:01:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:01:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 17:01:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:01:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:01:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:01:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 17:01:49,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:01:49,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:01:49,568 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:01:49,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:01:49,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:01:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:01:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 17:01:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:01:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:01:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:01:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:01:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:01:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:01:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:01:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:01:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:01:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:01:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:01:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:01:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:01:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:01:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:01:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:01:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:01:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:01:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:01:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:01:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 17:01:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:01:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:01:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:01:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:01:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:01:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:01:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:01:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:01:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:01:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:01:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:01:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:01:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 17:01:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:01:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:01:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:01:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:01:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:01:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:01:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:01:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:01:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 17:01:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:01:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:01:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 17:01:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 17:01:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:01:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:01:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:01:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:01:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:01:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:01:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:01:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:01:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:01:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:01:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:01:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:01:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:01:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:01:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:01:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:01:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:01:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:01:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:01:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:01:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:01:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:01:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:01:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:01:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:01:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:01:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:01:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:01:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:01:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:01:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:01:50,923 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:01:50,924 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:01:50,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:01:50 BoogieIcfgContainer [2020-10-28 17:01:50,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:01:50,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:01:50,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:01:50,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:01:50,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:01:48" (1/3) ... [2020-10-28 17:01:50,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65114523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:01:50, skipping insertion in model container [2020-10-28 17:01:50,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:49" (2/3) ... [2020-10-28 17:01:50,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65114523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:01:50, skipping insertion in model container [2020-10-28 17:01:50,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:01:50" (3/3) ... [2020-10-28 17:01:50,937 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-10-28 17:01:50,950 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:01:50,956 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:01:50,971 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:01:51,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:01:51,002 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:01:51,002 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:01:51,002 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:01:51,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:01:51,002 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:01:51,003 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:01:51,003 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:01:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-10-28 17:01:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 17:01:51,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:51,038 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] [2020-10-28 17:01:51,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:01:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:51,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1225368595, now seen corresponding path program 1 times [2020-10-28 17:01:51,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:51,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471274355] [2020-10-28 17:01:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:54,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:56,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:56,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 17:01:56,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:01:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:01:56,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:56,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:01:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:01:56,920 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:56,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:56,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:56,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:56,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 17:01:56,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:56,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:56,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:57,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:57,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:57,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:57,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:57,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:57,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:57,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:57,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:57,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:57,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:57,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:57,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:57,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:57,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:57,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:57,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:57,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:57,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:57,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:01:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:57,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:57,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:57,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:57,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:57,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:57,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:01:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:57,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:57,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:57,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:57,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471274355] [2020-10-28 17:01:57,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:57,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 17:01:57,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73378771] [2020-10-28 17:01:57,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 17:01:57,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:57,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 17:01:57,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 17:01:57,083 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 3 states. [2020-10-28 17:01:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:58,613 INFO L93 Difference]: Finished difference Result 325 states and 423 transitions. [2020-10-28 17:01:58,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 17:01:58,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 17:01:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:58,629 INFO L225 Difference]: With dead ends: 325 [2020-10-28 17:01:58,629 INFO L226 Difference]: Without dead ends: 174 [2020-10-28 17:01:58,634 INFO L677 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 [2020-10-28 17:01:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-28 17:01:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 139. [2020-10-28 17:01:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-28 17:01:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2020-10-28 17:01:58,754 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 47 [2020-10-28 17:01:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:58,755 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2020-10-28 17:01:58,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 17:01:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2020-10-28 17:01:58,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 17:01:58,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:58,759 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] [2020-10-28 17:01:58,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:01:58,760 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:01:58,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:58,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1020027967, now seen corresponding path program 1 times [2020-10-28 17:01:58,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:58,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174030503] [2020-10-28 17:01:58,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:01,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:03,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:03,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:02:03,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:02:03,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:02:03,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:03,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 17:02:03,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:02:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,147 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:04,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 17:02:04,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:04,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:04,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:04,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:04,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:04,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:02:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:04,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:04,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 17:02:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:04,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:04,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:04,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:04,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:04,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:04,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:04,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:04,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:04,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174030503] [2020-10-28 17:02:04,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:04,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:02:04,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140796618] [2020-10-28 17:02:04,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:02:04,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:04,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:02:04,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:02:04,304 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 4 states. [2020-10-28 17:02:04,940 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:06,023 INFO L93 Difference]: Finished difference Result 245 states and 298 transitions. [2020-10-28 17:02:06,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:02:06,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 17:02:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:06,027 INFO L225 Difference]: With dead ends: 245 [2020-10-28 17:02:06,027 INFO L226 Difference]: Without dead ends: 158 [2020-10-28 17:02:06,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:02:06,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-28 17:02:06,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-10-28 17:02:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-28 17:02:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-10-28 17:02:06,103 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 48 [2020-10-28 17:02:06,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:06,103 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-10-28 17:02:06,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:02:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-10-28 17:02:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 17:02:06,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:06,106 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] [2020-10-28 17:02:06,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:02:06,106 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:06,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:06,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1469240125, now seen corresponding path program 1 times [2020-10-28 17:02:06,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:06,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828428240] [2020-10-28 17:02:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:07,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 17:02:10,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:02:10,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3970 [2020-10-28 17:02:10,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:02:10,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:10,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:02:10,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:10,510 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:10,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:10,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 17:02:10,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:02:10,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:10,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:10,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:10,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:02:10,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:10,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:10,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:02:10,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:10,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:10,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:10,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:10,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:10,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:10,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:10,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:10,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:02:10,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:10,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:02:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:10,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:10,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:10,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:02:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:10,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:10,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:10,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:10,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:10,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:10,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:10,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828428240] [2020-10-28 17:02:10,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:10,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:02:10,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909005244] [2020-10-28 17:02:10,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:02:10,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:10,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:02:10,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:02:10,707 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2020-10-28 17:02:11,172 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:13,419 INFO L93 Difference]: Finished difference Result 382 states and 469 transitions. [2020-10-28 17:02:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:02:13,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 17:02:13,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:13,427 INFO L225 Difference]: With dead ends: 382 [2020-10-28 17:02:13,427 INFO L226 Difference]: Without dead ends: 276 [2020-10-28 17:02:13,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:02:13,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-28 17:02:13,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 225. [2020-10-28 17:02:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-28 17:02:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 268 transitions. [2020-10-28 17:02:13,523 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 268 transitions. Word has length 53 [2020-10-28 17:02:13,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:13,523 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 268 transitions. [2020-10-28 17:02:13,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:02:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 268 transitions. [2020-10-28 17:02:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:02:13,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:13,526 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] [2020-10-28 17:02:13,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:02:13,527 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:13,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:13,527 INFO L82 PathProgramCache]: Analyzing trace with hash -594760938, now seen corresponding path program 1 times [2020-10-28 17:02:13,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:13,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256197318] [2020-10-28 17:02:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 17:02:18,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:02:18,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4586 [2020-10-28 17:02:18,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:02:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 17:02:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:02:18,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,580 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:18,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:18,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:02:18,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:18,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:18,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:18,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:18,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:18,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:18,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:18,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:18,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:18,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:18,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:02:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:18,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:02:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:02:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:18,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:02:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:18,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:18,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:18,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:18,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:18,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:18,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:18,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:18,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256197318] [2020-10-28 17:02:18,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:18,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:02:18,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272678490] [2020-10-28 17:02:18,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:02:18,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:18,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:02:18,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:02:18,727 INFO L87 Difference]: Start difference. First operand 225 states and 268 transitions. Second operand 8 states. [2020-10-28 17:02:19,257 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:20,757 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-28 17:02:21,182 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:21,551 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:02:22,314 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:02:22,777 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:02:24,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:24,245 INFO L93 Difference]: Finished difference Result 631 states and 823 transitions. [2020-10-28 17:02:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:02:24,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 17:02:24,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:24,258 INFO L225 Difference]: With dead ends: 631 [2020-10-28 17:02:24,258 INFO L226 Difference]: Without dead ends: 430 [2020-10-28 17:02:24,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:02:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-28 17:02:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 353. [2020-10-28 17:02:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-28 17:02:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 424 transitions. [2020-10-28 17:02:24,408 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 424 transitions. Word has length 58 [2020-10-28 17:02:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:24,409 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 424 transitions. [2020-10-28 17:02:24,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:02:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 424 transitions. [2020-10-28 17:02:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 17:02:24,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:24,415 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] [2020-10-28 17:02:24,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:02:24,415 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:24,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:24,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2080562891, now seen corresponding path program 1 times [2020-10-28 17:02:24,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:24,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253782918] [2020-10-28 17:02:24,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:24,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:24,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:27,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:27,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 17:02:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:02:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3150 [2020-10-28 17:02:27,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:27,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:02:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 17:02:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:02:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:27,969 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:02:28,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:02:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:02:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:02:28,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:02:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 17:02:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:02:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:02:28,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:02:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:02:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 17:02:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:02:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:28,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:02:28,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 17:02:28,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:28,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:02:28,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 17:02:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:28,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 17:02:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:28,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253782918] [2020-10-28 17:02:28,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:28,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:02:28,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346771528] [2020-10-28 17:02:28,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:02:28,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:28,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:02:28,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:02:28,201 INFO L87 Difference]: Start difference. First operand 353 states and 424 transitions. Second operand 8 states. [2020-10-28 17:02:29,556 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:29,944 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:02:30,358 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:30,726 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:31,736 INFO L93 Difference]: Finished difference Result 773 states and 983 transitions. [2020-10-28 17:02:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:02:31,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-28 17:02:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:31,742 INFO L225 Difference]: With dead ends: 773 [2020-10-28 17:02:31,742 INFO L226 Difference]: Without dead ends: 444 [2020-10-28 17:02:31,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:02:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-28 17:02:31,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 366. [2020-10-28 17:02:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-10-28 17:02:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 438 transitions. [2020-10-28 17:02:31,870 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 438 transitions. Word has length 81 [2020-10-28 17:02:31,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:31,870 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 438 transitions. [2020-10-28 17:02:31,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:02:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 438 transitions. [2020-10-28 17:02:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 17:02:31,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:31,873 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] [2020-10-28 17:02:31,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:02:31,873 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:31,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:31,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1378963017, now seen corresponding path program 1 times [2020-10-28 17:02:31,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:31,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019989182] [2020-10-28 17:02:31,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:31,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:31,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 17:02:34,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:02:34,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2165 [2020-10-28 17:02:34,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:02:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,430 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:34,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:34,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:02:34,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:02:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:34,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:34,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:34,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:34,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:34,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:02:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:02:34,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:02:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:02:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:02:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:02:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:02:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:02:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:02:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:02:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 17:02:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:34,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:34,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 17:02:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:34,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:34,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:34,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:34,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019989182] [2020-10-28 17:02:34,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:34,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 17:02:34,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554446843] [2020-10-28 17:02:34,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:02:34,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:34,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:02:34,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:02:34,616 INFO L87 Difference]: Start difference. First operand 366 states and 438 transitions. Second operand 7 states. [2020-10-28 17:02:35,957 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:36,378 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:36,797 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:37,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:37,918 INFO L93 Difference]: Finished difference Result 800 states and 1036 transitions. [2020-10-28 17:02:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:02:37,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2020-10-28 17:02:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:37,925 INFO L225 Difference]: With dead ends: 800 [2020-10-28 17:02:37,926 INFO L226 Difference]: Without dead ends: 458 [2020-10-28 17:02:37,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:02:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-10-28 17:02:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 374. [2020-10-28 17:02:38,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-28 17:02:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 446 transitions. [2020-10-28 17:02:38,033 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 446 transitions. Word has length 81 [2020-10-28 17:02:38,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:38,033 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 446 transitions. [2020-10-28 17:02:38,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:02:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 446 transitions. [2020-10-28 17:02:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 17:02:38,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:38,035 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] [2020-10-28 17:02:38,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:02:38,036 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:38,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash 346517880, now seen corresponding path program 1 times [2020-10-28 17:02:38,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:38,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734131307] [2020-10-28 17:02:38,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:38,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:38,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:38,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:40,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2343 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:02:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:40,916 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:40,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:40,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:40,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:40,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:40,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 17:02:40,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:40,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:40,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:41,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:41,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:41,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:41,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:41,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:41,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:41,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:41,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:41,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:02:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:02:41,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:02:41,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:02:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:41,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:02:41,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:02:41,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:02:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:02:41,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:02:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:41,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:41,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:02:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:41,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:41,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:41,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 26 [2020-10-28 17:02:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 17:02:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:41,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:02:41,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 17:02:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:41,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:41,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:41,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:41,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:41,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734131307] [2020-10-28 17:02:41,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:41,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:02:41,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070573858] [2020-10-28 17:02:41,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:02:41,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:41,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:02:41,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:02:41,249 INFO L87 Difference]: Start difference. First operand 374 states and 446 transitions. Second operand 8 states. [2020-10-28 17:02:42,398 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:43,412 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:02:43,912 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:44,699 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2020-10-28 17:02:45,190 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:02:45,613 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:02:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:47,715 INFO L93 Difference]: Finished difference Result 1056 states and 1434 transitions. [2020-10-28 17:02:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:02:47,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-28 17:02:47,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:47,723 INFO L225 Difference]: With dead ends: 1056 [2020-10-28 17:02:47,723 INFO L226 Difference]: Without dead ends: 706 [2020-10-28 17:02:47,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:02:47,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-28 17:02:47,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 606. [2020-10-28 17:02:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-10-28 17:02:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 764 transitions. [2020-10-28 17:02:47,915 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 764 transitions. Word has length 81 [2020-10-28 17:02:47,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:47,916 INFO L481 AbstractCegarLoop]: Abstraction has 606 states and 764 transitions. [2020-10-28 17:02:47,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:02:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 764 transitions. [2020-10-28 17:02:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-28 17:02:47,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:47,920 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:02:47,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:02:47,920 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:47,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:47,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1587402565, now seen corresponding path program 1 times [2020-10-28 17:02:47,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:47,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554418355] [2020-10-28 17:02:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:47,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:48,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:52,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4593 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:02:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 17:02:52,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:52,925 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:52,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:52,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:52,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:52,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:52,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:52,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:02:52,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:52,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:02:52,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:52,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:52,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:52,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:52,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:52,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:52,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:52,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:52,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:52,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:52,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:52,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:52,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:52,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:52,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:52,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:02:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:02:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:02:53,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:02:53,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:02:53,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:02:53,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:02:53,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:02:53,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:53,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:02:53,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:53,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:53,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:53,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:53,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 17:02:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:02:53,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:53,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:53,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:02:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 17:02:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:53,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:53,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 17:02:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:53,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:53,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 17:02:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:53,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:53,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:53,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:53,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:53,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:53,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:02:53,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554418355] [2020-10-28 17:02:53,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:02:53,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:02:53,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136063018] [2020-10-28 17:02:53,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:02:53,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:53,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:02:53,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:02:53,215 INFO L87 Difference]: Start difference. First operand 606 states and 764 transitions. Second operand 8 states. [2020-10-28 17:02:53,828 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:57,027 INFO L93 Difference]: Finished difference Result 1596 states and 2212 transitions. [2020-10-28 17:02:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:02:57,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-10-28 17:02:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:57,036 INFO L225 Difference]: With dead ends: 1596 [2020-10-28 17:02:57,036 INFO L226 Difference]: Without dead ends: 1014 [2020-10-28 17:02:57,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:02:57,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2020-10-28 17:02:57,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 678. [2020-10-28 17:02:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-10-28 17:02:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 854 transitions. [2020-10-28 17:02:57,217 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 854 transitions. Word has length 114 [2020-10-28 17:02:57,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:57,217 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 854 transitions. [2020-10-28 17:02:57,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:02:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 854 transitions. [2020-10-28 17:02:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 17:02:57,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:57,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:02:57,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:02:57,223 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:02:57,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:57,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1600314993, now seen corresponding path program 1 times [2020-10-28 17:02:57,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:57,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393480417] [2020-10-28 17:02:57,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:57,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:57,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:57,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:03:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 17:03:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 17:03:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,636 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:03:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:03:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:03:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:03:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:03:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:02,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:03:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:03:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:02,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:02,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 17:03:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:03:02,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:03:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:03:02,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 17:03:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:03:02,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:03:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:03:02,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:03:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:03:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:03:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:03:02,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:03:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:03:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:02,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:03:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 17:03:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:02,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:03:02,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:02,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:02,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 17:03:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:03:02,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:03:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:03:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 17:03:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:03:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:03:02,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:02,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:02,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:02,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:02,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 17:03:02,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:02,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:03:02,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:02,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:03:02,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:03,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:03,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:03,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:03,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:03:03,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:03,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:03:03,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:03,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:03:03,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 17:03:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:03,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:03,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:03:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:03,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:03,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:03,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:03,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 17:03:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:03,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:03,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:03,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:03,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 17:03:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:03,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:03,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:03,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:03,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 17:03:03,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393480417] [2020-10-28 17:03:03,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:03:03,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 17:03:03,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360322771] [2020-10-28 17:03:03,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 17:03:03,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:03:03,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 17:03:03,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:03:03,160 INFO L87 Difference]: Start difference. First operand 678 states and 854 transitions. Second operand 13 states. [2020-10-28 17:03:03,750 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:03:04,454 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:03:07,834 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-28 17:03:08,623 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-28 17:03:09,392 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-28 17:03:10,384 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:03:10,796 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:03:11,174 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:03:11,531 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:03:13,395 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:03:14,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:03:14,779 INFO L93 Difference]: Finished difference Result 2604 states and 3779 transitions. [2020-10-28 17:03:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 17:03:14,780 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2020-10-28 17:03:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:03:14,793 INFO L225 Difference]: With dead ends: 2604 [2020-10-28 17:03:14,794 INFO L226 Difference]: Without dead ends: 1950 [2020-10-28 17:03:14,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=296, Invalid=1036, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 17:03:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-10-28 17:03:15,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1426. [2020-10-28 17:03:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1426 states. [2020-10-28 17:03:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1802 transitions. [2020-10-28 17:03:15,117 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1802 transitions. Word has length 139 [2020-10-28 17:03:15,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:03:15,117 INFO L481 AbstractCegarLoop]: Abstraction has 1426 states and 1802 transitions. [2020-10-28 17:03:15,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 17:03:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1802 transitions. [2020-10-28 17:03:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 17:03:15,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:03:15,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:03:15,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:03:15,123 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:03:15,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:03:15,123 INFO L82 PathProgramCache]: Analyzing trace with hash -318897651, now seen corresponding path program 1 times [2020-10-28 17:03:15,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:03:15,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847375774] [2020-10-28 17:03:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:03:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:15,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:15,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:15,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:18,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:18,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-28 17:03:20,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:03:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 17:03:20,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:03:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-28 17:03:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 17:03:20,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,544 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:03:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:03:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:03:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:03:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:03:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:03:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:20,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:03:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:03:20,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:03:20,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:20,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:03:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 17:03:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:03:20,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:20,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:03:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 17:03:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 17:03:20,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:03:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 17:03:20,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 17:03:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 17:03:20,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:03:20,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:03:20,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:03:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:03:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 17:03:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:03:20,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:20,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:03:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:03:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 17:03:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:03:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 17:03:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:20,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:20,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:20,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:20,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:20,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:03:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-28 17:03:21,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847375774] [2020-10-28 17:03:21,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:03:21,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 17:03:21,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499749170] [2020-10-28 17:03:21,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 17:03:21,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:03:21,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 17:03:21,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:03:21,024 INFO L87 Difference]: Start difference. First operand 1426 states and 1802 transitions. Second operand 13 states. [2020-10-28 17:03:21,649 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:03:23,065 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:03:23,545 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:03:24,011 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:03:24,482 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-28 17:03:25,045 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:03:26,335 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:03:26,757 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-28 17:03:27,130 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:03:28,940 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-28 17:03:29,726 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-28 17:03:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:03:30,407 INFO L93 Difference]: Finished difference Result 3821 states and 5161 transitions. [2020-10-28 17:03:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 17:03:30,408 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 135 [2020-10-28 17:03:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:03:30,425 INFO L225 Difference]: With dead ends: 3821 [2020-10-28 17:03:30,425 INFO L226 Difference]: Without dead ends: 2419 [2020-10-28 17:03:30,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2020-10-28 17:03:30,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2020-10-28 17:03:31,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2041. [2020-10-28 17:03:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2041 states. [2020-10-28 17:03:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 2041 states and 2601 transitions. [2020-10-28 17:03:31,099 INFO L78 Accepts]: Start accepts. Automaton has 2041 states and 2601 transitions. Word has length 135 [2020-10-28 17:03:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:03:31,100 INFO L481 AbstractCegarLoop]: Abstraction has 2041 states and 2601 transitions. [2020-10-28 17:03:31,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 17:03:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2601 transitions. [2020-10-28 17:03:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-28 17:03:31,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:03:31,107 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:03:31,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:03:31,108 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:03:31,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:03:31,108 INFO L82 PathProgramCache]: Analyzing trace with hash -349259552, now seen corresponding path program 1 times [2020-10-28 17:03:31,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:03:31,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891737038] [2020-10-28 17:03:31,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:03:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:31,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:31,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:31,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:31,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-28 17:03:36,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:03:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 17:03:36,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-28 17:03:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:03:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,477 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:03:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:03:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:03:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:36,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:03:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:03:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:03:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:03:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:03:36,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:03:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:03:36,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:03:36,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:03:36,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:03:36,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:03:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 17:03:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 17:03:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:03:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:03:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:03:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 17:03:36,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:03:36,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:03:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 17:03:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:03:36,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 17:03:36,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:03:36,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:03:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:03:36,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 17:03:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:03:36,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:03:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:03:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:03:36,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 17:03:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:03:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-28 17:03:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 17:03:36,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:03:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 17:03:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:03:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:03:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:03:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-28 17:03:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:03:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 17:03:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:03:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:03:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:03:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:03:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:03:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-28 17:03:36,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891737038] [2020-10-28 17:03:36,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:03:36,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:03:36,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505587275] [2020-10-28 17:03:36,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:03:36,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:03:36,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:03:36,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:03:36,821 INFO L87 Difference]: Start difference. First operand 2041 states and 2601 transitions. Second operand 10 states. [2020-10-28 17:03:38,873 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:03:39,229 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:03:39,622 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:03:40,019 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:03:40,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:03:40,355 INFO L93 Difference]: Finished difference Result 2990 states and 3916 transitions. [2020-10-28 17:03:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:03:40,355 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-10-28 17:03:40,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:03:40,359 INFO L225 Difference]: With dead ends: 2990 [2020-10-28 17:03:40,359 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:03:40,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:03:40,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:03:40,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:03:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:03:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:03:40,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2020-10-28 17:03:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:03:40,369 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:03:40,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:03:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:03:40,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:03:40,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:03:40,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:03:40,515 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-28 17:03:43,461 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 308 DAG size of output: 275 [2020-10-28 17:03:45,448 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 380 DAG size of output: 344 [2020-10-28 17:03:47,484 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 392 DAG size of output: 354 [2020-10-28 17:03:50,949 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 265 [2020-10-28 17:03:54,712 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 386 DAG size of output: 347 [2020-10-28 17:03:56,936 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 377 DAG size of output: 344 [2020-10-28 17:03:58,106 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 11 [2020-10-28 17:03:59,717 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-10-28 17:03:59,944 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-28 17:04:00,234 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:02,303 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 281 DAG size of output: 26 [2020-10-28 17:04:02,908 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 22 [2020-10-28 17:04:03,166 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-28 17:04:03,451 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-28 17:04:05,764 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 289 DAG size of output: 26 [2020-10-28 17:04:06,636 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 13 [2020-10-28 17:04:06,946 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:08,495 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 199 DAG size of output: 27 [2020-10-28 17:04:08,804 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:09,080 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-28 17:04:09,888 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 19 [2020-10-28 17:04:10,551 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 19 [2020-10-28 17:04:10,891 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:04:11,171 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-28 17:04:11,967 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 24 [2020-10-28 17:04:13,714 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 209 DAG size of output: 26 [2020-10-28 17:04:13,974 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-28 17:04:14,800 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 19 [2020-10-28 17:04:15,389 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 13 [2020-10-28 17:04:16,142 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 20 [2020-10-28 17:04:16,405 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-28 17:04:16,656 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-28 17:04:16,921 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-28 17:04:17,443 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 13 [2020-10-28 17:04:18,043 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-28 17:04:18,335 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:18,669 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 16 [2020-10-28 17:04:18,953 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:19,820 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 16 [2020-10-28 17:04:20,108 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:20,685 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 15 [2020-10-28 17:04:23,708 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 286 DAG size of output: 26 [2020-10-28 17:04:24,393 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2020-10-28 17:04:25,506 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 174 DAG size of output: 16 [2020-10-28 17:04:25,726 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-28 17:04:26,010 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:26,326 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 21 [2020-10-28 17:04:28,575 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 282 DAG size of output: 26 [2020-10-28 17:04:29,134 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 13 [2020-10-28 17:04:29,644 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-28 17:04:29,926 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-28 17:04:30,239 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-28 17:04:31,100 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-10-28 17:04:31,105 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:04:31,105 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:04:31,105 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:04:31,106 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:04:31,106 INFO L274 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-10-28 17:04:31,106 INFO L274 CegarLoopResult]: For program point L534-1(lines 534 538) no Hoare annotation was computed. [2020-10-28 17:04:31,106 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 503 558) no Hoare annotation was computed. [2020-10-28 17:04:31,106 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 17:04:31,106 INFO L274 CegarLoopResult]: For program point L528-2(lines 528 549) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 503 558) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L550(lines 527 551) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 503 558) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 559 618) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L591(lines 591 595) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 559 618) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 559 618) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 610) no Hoare annotation was computed. [2020-10-28 17:04:31,107 INFO L274 CegarLoopResult]: For program point L611(lines 584 612) no Hoare annotation was computed. [2020-10-28 17:04:31,108 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 934 940) the Hoare annotation is: true [2020-10-28 17:04:31,108 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 934 940) no Hoare annotation was computed. [2020-10-28 17:04:31,108 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 941 949) no Hoare annotation was computed. [2020-10-28 17:04:31,108 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 941 949) the Hoare annotation is: true [2020-10-28 17:04:31,108 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 941 949) no Hoare annotation was computed. [2020-10-28 17:04:31,108 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 960 984) the Hoare annotation is: true [2020-10-28 17:04:31,108 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 960 984) no Hoare annotation was computed. [2020-10-28 17:04:31,108 INFO L270 CegarLoopResult]: At program point L974(line 974) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)))) [2020-10-28 17:04:31,108 INFO L274 CegarLoopResult]: For program point L972(lines 972 978) no Hoare annotation was computed. [2020-10-28 17:04:31,108 INFO L270 CegarLoopResult]: At program point L970(line 970) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)))) [2020-10-28 17:04:31,109 INFO L274 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-10-28 17:04:31,109 INFO L274 CegarLoopResult]: For program point L968(lines 968 981) no Hoare annotation was computed. [2020-10-28 17:04:31,109 INFO L274 CegarLoopResult]: For program point L968-1(lines 960 984) no Hoare annotation was computed. [2020-10-28 17:04:31,109 INFO L277 CegarLoopResult]: At program point L966(line 966) the Hoare annotation is: true [2020-10-28 17:04:31,109 INFO L274 CegarLoopResult]: For program point L966-1(line 966) no Hoare annotation was computed. [2020-10-28 17:04:31,109 INFO L270 CegarLoopResult]: At program point L898-1(line 898) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,109 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 892 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,109 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 892 914) no Hoare annotation was computed. [2020-10-28 17:04:31,109 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 892 914) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L270 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,110 INFO L270 CegarLoopResult]: At program point L904-1(line 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L902(lines 902 909) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L902-1(lines 902 909) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L270 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,110 INFO L270 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 848 871) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-10-28 17:04:31,110 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 848 871) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 848 871) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 357 371) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L270 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)))) [2020-10-28 17:04:31,111 INFO L274 CegarLoopResult]: For program point L361(lines 361 367) no Hoare annotation was computed. [2020-10-28 17:04:31,111 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 357 371) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= |old(~systemActive~0)| 0) .cse0 (not (<= 2 ~waterLevel~0))))) [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 357 371) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 274 282) the Hoare annotation is: true [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 274 282) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 338 356) the Hoare annotation is: true [2020-10-28 17:04:31,112 INFO L277 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 338 356) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 338 356) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L290-2(lines 290 298) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 283 318) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-10-28 17:04:31,112 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 283 318) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 283 318) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 927 933) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 927 933) the Hoare annotation is: true [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 457 502) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 457 502) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 457 502) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point L801(lines 801 802) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point L794(lines 794 795) no Hoare annotation was computed. [2020-10-28 17:04:31,113 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 770 815) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 794 795) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 801 802) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 770 815) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 770 815) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 879 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 879 888) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 879 888) no Hoare annotation was computed. [2020-10-28 17:04:31,114 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 263 273) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 263 273) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 255 262) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 255 262) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 129 142) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 129 142) the Hoare annotation is: true [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 129 142) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 246) no Hoare annotation was computed. [2020-10-28 17:04:31,115 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 222 246) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:04:31,115 INFO L270 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2020-10-28 17:04:31,116 INFO L274 CegarLoopResult]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2020-10-28 17:04:31,116 INFO L270 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-10-28 17:04:31,116 INFO L270 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (not (= 0 processEnvironment_~tmp~1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 17:04:31,116 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-10-28 17:04:31,116 INFO L270 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 17:04:31,116 INFO L274 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed. [2020-10-28 17:04:31,116 INFO L274 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-10-28 17:04:31,116 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 188 194) no Hoare annotation was computed. [2020-10-28 17:04:31,116 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 188 194) the Hoare annotation is: true [2020-10-28 17:04:31,116 INFO L270 CegarLoopResult]: At program point testENTRY(lines 382 449) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:04:31,116 INFO L270 CegarLoopResult]: At program point L442(lines 391 443) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:04:31,116 INFO L274 CegarLoopResult]: For program point testFINAL(lines 382 449) no Hoare annotation was computed. [2020-10-28 17:04:31,117 INFO L270 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-28 17:04:31,117 INFO L274 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-10-28 17:04:31,117 INFO L270 CegarLoopResult]: At program point L430-1(lines 422 437) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-28 17:04:31,117 INFO L274 CegarLoopResult]: For program point L393(lines 392 441) no Hoare annotation was computed. [2020-10-28 17:04:31,117 INFO L270 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-28 17:04:31,117 INFO L274 CegarLoopResult]: For program point L422(lines 422 437) no Hoare annotation was computed. [2020-10-28 17:04:31,117 INFO L270 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-28 17:04:31,117 INFO L274 CegarLoopResult]: For program point L412(lines 412 418) no Hoare annotation was computed. [2020-10-28 17:04:31,117 INFO L274 CegarLoopResult]: For program point L412-1(lines 412 418) no Hoare annotation was computed. [2020-10-28 17:04:31,117 INFO L270 CegarLoopResult]: At program point L439(lines 392 441) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-28 17:04:31,117 INFO L270 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-28 17:04:31,117 INFO L274 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point testEXIT(lines 382 449) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L738-1(lines 738 758) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 748 749) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 755 756) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 724 769) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 724 769) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L755(lines 755 756) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 724 769) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L748(lines 748 749) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point L738(lines 738 758) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 143 151) no Hoare annotation was computed. [2020-10-28 17:04:31,118 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 143 151) the Hoare annotation is: true [2020-10-28 17:04:31,118 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 143 151) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L105(lines 105 113) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 97 119) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L105-2(lines 105 113) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 97 119) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 97 119) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L671(lines 670 690) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 621 723) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L667(lines 667 708) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-28 17:04:31,119 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 621 723) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L709(lines 709 720) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L670-2(lines 670 690) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L691(lines 669 692) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 621 723) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L650(lines 650 666) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point L710(lines 710 717) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 917 926) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 917 926) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 917 926) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,120 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 247 254) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 247 254) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-28 17:04:31,121 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 120 128) the Hoare annotation is: true [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 120 128) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 120 128) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 319 337) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-10-28 17:04:31,121 INFO L277 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: true [2020-10-28 17:04:31,121 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 319 337) the Hoare annotation is: true [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 319 337) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point L80-1(lines 76 87) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 76 87) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) .cse0))) [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 76 87) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 88 96) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 88 96) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 88 96) no Hoare annotation was computed. [2020-10-28 17:04:31,122 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (<= 1 |old(~waterLevel~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not .cse1)) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 17:04:31,123 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 164 187) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 17:04:31,123 INFO L270 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0))) (and (let ((.cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and (= ~pumpRunning~0 0) .cse0) (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and .cse2 .cse0))) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 (not .cse1) .cse2) (not (= |old(~pumpRunning~0)| 0)))))) [2020-10-28 17:04:31,123 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 164 187) no Hoare annotation was computed. [2020-10-28 17:04:31,123 INFO L270 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (and (or (not (<= 1 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0))) [2020-10-28 17:04:31,123 INFO L274 CegarLoopResult]: For program point L168(lines 167 186) no Hoare annotation was computed. [2020-10-28 17:04:31,123 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 164 187) no Hoare annotation was computed. [2020-10-28 17:04:31,123 INFO L274 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-10-28 17:04:31,123 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 818 847) no Hoare annotation was computed. [2020-10-28 17:04:31,123 INFO L277 CegarLoopResult]: At program point L832-1(lines 832 836) the Hoare annotation is: true [2020-10-28 17:04:31,123 INFO L274 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 818 847) the Hoare annotation is: true [2020-10-28 17:04:31,124 INFO L277 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: true [2020-10-28 17:04:31,124 INFO L277 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: true [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L277 CegarLoopResult]: At program point L843(lines 818 847) the Hoare annotation is: true [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 52 63) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 52 63) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point L56-1(lines 52 63) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 872 878) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 872 878) the Hoare annotation is: true [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) [2020-10-28 17:04:31,124 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:04:31,124 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 372 379) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 372 379) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))))) [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 372 379) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 196 220) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 196 220) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L270 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L270 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:04:31,125 INFO L270 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L270 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-10-28 17:04:31,125 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 64 75) no Hoare annotation was computed. [2020-10-28 17:04:31,126 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 64 75) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 |old(~waterLevel~0)|)) .cse0 (not (= ~pumpRunning~0 0))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)))) [2020-10-28 17:04:31,126 INFO L274 CegarLoopResult]: For program point L68-1(lines 64 75) no Hoare annotation was computed. [2020-10-28 17:04:31,126 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 951 958) no Hoare annotation was computed. [2020-10-28 17:04:31,126 INFO L274 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-10-28 17:04:31,126 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 951 958) the Hoare annotation is: true [2020-10-28 17:04:31,126 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 951 958) no Hoare annotation was computed. [2020-10-28 17:04:31,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:04:31 BoogieIcfgContainer [2020-10-28 17:04:31,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:04:31,146 INFO L168 Benchmark]: Toolchain (without parser) took 162635.10 ms. Allocated memory was 153.1 MB in the beginning and 1.0 GB in the end (delta: 896.5 MB). Free memory was 126.3 MB in the beginning and 768.6 MB in the end (delta: -642.3 MB). Peak memory consumption was 665.6 MB. Max. memory is 8.0 GB. [2020-10-28 17:04:31,146 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 153.1 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:04:31,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.32 ms. Allocated memory is still 153.1 MB. Free memory was 125.8 MB in the beginning and 103.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:04:31,147 INFO L168 Benchmark]: Boogie Preprocessor took 168.47 ms. Allocated memory is still 153.1 MB. Free memory was 103.5 MB in the beginning and 99.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:04:31,147 INFO L168 Benchmark]: RCFGBuilder took 1448.83 ms. Allocated memory is still 153.1 MB. Free memory was 99.6 MB in the beginning and 59.5 MB in the end (delta: 40.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. [2020-10-28 17:04:31,148 INFO L168 Benchmark]: TraceAbstraction took 160215.02 ms. Allocated memory was 153.1 MB in the beginning and 1.0 GB in the end (delta: 896.5 MB). Free memory was 59.0 MB in the beginning and 768.6 MB in the end (delta: -709.6 MB). Peak memory consumption was 598.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:04:31,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 153.1 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 786.32 ms. Allocated memory is still 153.1 MB. Free memory was 125.8 MB in the beginning and 103.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 168.47 ms. Allocated memory is still 153.1 MB. Free memory was 103.5 MB in the beginning and 99.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1448.83 ms. Allocated memory is still 153.1 MB. Free memory was 99.6 MB in the beginning and 59.5 MB in the end (delta: 40.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 160215.02 ms. Allocated memory was 153.1 MB in the beginning and 1.0 GB in the end (delta: 896.5 MB). Free memory was 59.0 MB in the beginning and 768.6 MB in the end (delta: -709.6 MB). Peak memory consumption was 598.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 755]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 748]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 794]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 801]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(1 <= \old(waterLevel))) || ((splverifierCounter <= 0 && pumpRunning == 0) && 1 <= waterLevel)) || ((splverifierCounter <= 0 && !(0 == systemActive)) && 2 <= waterLevel)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(1 <= \old(waterLevel))) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 109.3s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 53.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 50.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1579 SDtfs, 3356 SDslu, 1647 SDs, 0 SdLazy, 8375 SolverSat, 2618 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 491 GetRequests, 341 SyntacticMatches, 10 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 24.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2041occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1691 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3021 PreInvPairs, 3306 NumberOfFragments, 1178 HoareAnnotationTreeSize, 3021 FomulaSimplifications, 739026850 FormulaSimplificationTreeSizeReduction, 17.1s HoareSimplificationTime, 64 FomulaSimplificationsInter, 19105822 FormulaSimplificationTreeSizeReductionInter, 33.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 53.0s InterpolantComputationTime, 1026 NumberOfCodeBlocks, 1026 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 390593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 175/190 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...