/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:55:58,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:55:58,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:55:58,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:55:58,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:55:58,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:55:58,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:55:58,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:55:58,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:55:58,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:55:58,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:55:58,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:55:58,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:55:58,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:55:58,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:55:58,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:55:58,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:55:58,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:55:58,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:55:58,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:55:58,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:55:58,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:55:58,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:55:58,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:55:58,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:55:58,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:55:58,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:55:58,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:55:58,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:55:58,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:55:58,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:55:58,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:55:58,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:55:58,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:55:58,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:55:58,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:55:58,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:55:58,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:55:58,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:55:58,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:55:58,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:55:58,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:55:58,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:55:58,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:55:58,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:55:58,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:55:58,393 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:55:58,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:55:58,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:55:58,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:55:58,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:55:58,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:55:58,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:55:58,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:55:58,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:55:58,396 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:55:58,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:55:58,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:55:58,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:55:58,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:55:58,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:55:58,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:55:58,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:55:58,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:55:58,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:55:58,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:55:58,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:55:58,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:55:58,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:55:58,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:55:58,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:55:58,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:55:59,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:55:59,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:55:59,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:55:59,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:55:59,500 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:55:59,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-25 11:55:59,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32981de49/f3953e4572484459b57f6703dd0f7c19/FLAGad90adadf [2020-09-25 11:56:00,256 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:56:00,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-25 11:56:00,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32981de49/f3953e4572484459b57f6703dd0f7c19/FLAGad90adadf [2020-09-25 11:56:00,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32981de49/f3953e4572484459b57f6703dd0f7c19 [2020-09-25 11:56:00,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:56:00,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:56:00,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:00,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:56:00,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:56:00,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:00" (1/1) ... [2020-09-25 11:56:00,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a11bedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:00, skipping insertion in model container [2020-09-25 11:56:00,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:00" (1/1) ... [2020-09-25 11:56:00,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:56:00,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:56:01,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:01,061 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:56:01,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:01,204 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:56:01,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01 WrapperNode [2020-09-25 11:56:01,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:01,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:56:01,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:56:01,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:56:01,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:56:01,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:56:01,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:56:01,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:56:01,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:56:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:56:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:56:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:56:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:56:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:56:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:56:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:56:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:56:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:56:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:56:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:56:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:56:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:56:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:56:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:56:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:56:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:56:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:56:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:56:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:56:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:56:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:56:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:56:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:56:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:56:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:56:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:56:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:56:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:56:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:56:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:56:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:56:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:56:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:56:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:56:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:56:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:56:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:56:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:56:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:56:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:56:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:56:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:56:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:56:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:56:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:56:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:56:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:56:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:56:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:56:02,620 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:56:02,621 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:56:02,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:02 BoogieIcfgContainer [2020-09-25 11:56:02,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:56:02,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:56:02,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:56:02,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:56:02,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:56:00" (1/3) ... [2020-09-25 11:56:02,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5536367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:02, skipping insertion in model container [2020-09-25 11:56:02,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (2/3) ... [2020-09-25 11:56:02,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5536367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:02, skipping insertion in model container [2020-09-25 11:56:02,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:02" (3/3) ... [2020-09-25 11:56:02,645 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-09-25 11:56:02,657 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:56:02,669 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:56:02,691 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:56:02,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:56:02,737 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:56:02,737 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:56:02,737 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:56:02,738 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:56:02,738 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:56:02,738 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:56:02,738 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:56:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2020-09-25 11:56:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:56:02,805 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:02,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:02,808 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:02,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:02,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1840105278, now seen corresponding path program 1 times [2020-09-25 11:56:02,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:02,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758638258] [2020-09-25 11:56:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:03,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:03,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:04,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:07,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:08,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:08,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:56:08,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:56:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 11:56:08,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:08,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:56:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:56:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 11:56:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:56:08,851 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:09,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-25 11:56:09,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:56:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:09,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:09,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:09,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:09,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:09,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:09,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:09,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:09,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:09,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:56:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:56:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:09,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758638258] [2020-09-25 11:56:09,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:09,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:56:09,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987852887] [2020-09-25 11:56:09,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:56:09,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:09,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:56:09,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:56:09,444 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 8 states. [2020-09-25 11:56:10,216 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:11,242 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:11,532 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:11,853 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:12,220 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:12,533 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:13,212 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:13,516 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:13,975 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:15,175 INFO L93 Difference]: Finished difference Result 533 states and 663 transitions. [2020-09-25 11:56:15,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 11:56:15,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 11:56:15,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:15,198 INFO L225 Difference]: With dead ends: 533 [2020-09-25 11:56:15,198 INFO L226 Difference]: Without dead ends: 357 [2020-09-25 11:56:15,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:56:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-09-25 11:56:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 303. [2020-09-25 11:56:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-25 11:56:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 337 transitions. [2020-09-25 11:56:15,334 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 337 transitions. Word has length 142 [2020-09-25 11:56:15,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:15,335 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 337 transitions. [2020-09-25 11:56:15,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:56:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 337 transitions. [2020-09-25 11:56:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 11:56:15,340 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:15,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:15,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:56:15,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:15,341 INFO L82 PathProgramCache]: Analyzing trace with hash -969924091, now seen corresponding path program 1 times [2020-09-25 11:56:15,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:15,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257721983] [2020-09-25 11:56:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:15,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:16,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:18,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:20,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:20,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-25 11:56:20,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:56:20,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 11:56:20,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:20,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:56:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:56:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:56:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:20,803 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:21,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-25 11:56:21,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:56:21,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:21,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:21,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:21,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:21,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:21,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:21,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:21,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:21,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:21,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:56:21,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:21,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:21,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:56:21,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:56:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:21,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:21,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:21,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:21,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:21,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 11:56:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:21,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:21,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:21,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:21,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:21,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:21,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257721983] [2020-09-25 11:56:21,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:21,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:56:21,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388975810] [2020-09-25 11:56:21,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:56:21,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:21,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:56:21,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:56:21,313 INFO L87 Difference]: Start difference. First operand 303 states and 337 transitions. Second operand 6 states. [2020-09-25 11:56:21,829 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:22,509 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:24,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:24,590 INFO L93 Difference]: Finished difference Result 1000 states and 1227 transitions. [2020-09-25 11:56:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 11:56:24,592 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 11:56:24,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:24,602 INFO L225 Difference]: With dead ends: 1000 [2020-09-25 11:56:24,602 INFO L226 Difference]: Without dead ends: 807 [2020-09-25 11:56:24,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:56:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-09-25 11:56:24,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 625. [2020-09-25 11:56:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-09-25 11:56:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 723 transitions. [2020-09-25 11:56:24,722 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 723 transitions. Word has length 157 [2020-09-25 11:56:24,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:24,723 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 723 transitions. [2020-09-25 11:56:24,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:56:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 723 transitions. [2020-09-25 11:56:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 11:56:24,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:24,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:24,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:56:24,727 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:24,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1518331328, now seen corresponding path program 1 times [2020-09-25 11:56:24,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:24,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391434733] [2020-09-25 11:56:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:24,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:24,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:25,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 11:56:28,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:56:28,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3226 [2020-09-25 11:56:28,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:56:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 11:56:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-25 11:56:28,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,395 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:28,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:28,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-25 11:56:28,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:56:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:28,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:28,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:28,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:28,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:28,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:28,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:28,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:56:28,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:56:28,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 11:56:28,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:56:28,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:56:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:56:28,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:56:28,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:56:28,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:56:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:56:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:56:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:56:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:28,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:28,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 11:56:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:28,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:28,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:28,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 11:56:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:28,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:28,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:28,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:28,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:56:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:28,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:29,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391434733] [2020-09-25 11:56:29,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:29,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:56:29,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88807098] [2020-09-25 11:56:29,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:56:29,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:29,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:56:29,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:56:29,068 INFO L87 Difference]: Start difference. First operand 625 states and 723 transitions. Second operand 10 states. [2020-09-25 11:56:29,624 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:30,911 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:31,272 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:56:31,626 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:31,979 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:56:32,269 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:56:32,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:32,542 INFO L93 Difference]: Finished difference Result 1129 states and 1376 transitions. [2020-09-25 11:56:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 11:56:32,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 11:56:32,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:32,544 INFO L225 Difference]: With dead ends: 1129 [2020-09-25 11:56:32,544 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:56:32,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:56:32,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:56:32,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:56:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:56:32,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:56:32,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 11:56:32,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:32,556 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:56:32,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:56:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:56:32,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:56:32,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:56:32,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:56:32,779 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:32,958 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:33,125 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:33,297 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:33,460 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:33,623 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:33,784 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:33,948 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:34,111 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:34,265 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:34,421 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:34,574 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:34,722 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:34,871 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:35,022 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:35,175 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:35,328 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:35,485 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,638 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:35,796 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,960 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:36,114 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:36,271 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:36,431 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:36,601 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:36,769 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:36,933 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:37,085 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:37,251 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:37,396 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:37,543 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:37,809 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 187 [2020-09-25 11:56:38,073 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:38,394 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:38,560 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,818 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:39,170 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:39,491 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:39,741 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:40,002 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:40,263 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:40,578 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:40,826 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:41,081 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:41,333 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:41,670 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:41,917 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:42,231 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:42,486 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:42,733 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:43,075 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:43,215 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:43,368 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:43,525 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:43,679 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:43,828 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:43,972 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:44,129 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:44,273 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:44,425 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:44,578 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:44,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:44,870 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:45,022 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:45,175 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:45,331 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:45,485 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:45,637 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:45,795 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:45,947 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:46,105 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:46,264 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:46,412 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:46,566 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:46,719 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:46,872 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,024 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,181 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:47,337 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:47,495 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:47,653 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:47,810 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:47,963 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,116 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:48,268 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,425 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:48,583 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:48,749 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:48,902 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:49,054 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:49,211 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:49,368 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:49,516 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:49,669 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:49,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:49,978 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:50,228 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 7 [2020-09-25 11:56:50,400 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:50,649 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 7 [2020-09-25 11:56:50,812 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:51,059 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 7 [2020-09-25 11:56:51,227 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:51,402 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:51,564 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:51,711 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:51,868 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:52,021 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:52,178 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:52,333 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:52,589 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 7 [2020-09-25 11:56:52,835 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 187 [2020-09-25 11:56:53,083 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:53,397 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:53,665 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 188 [2020-09-25 11:56:54,000 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:54,324 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:56:54,571 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 187