/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:06:01,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:06:01,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:06:02,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:06:02,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:06:02,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:06:02,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:06:02,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:06:02,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:06:02,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:06:02,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:06:02,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:06:02,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:06:02,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:06:02,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:06:02,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:06:02,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:06:02,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:06:02,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:06:02,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:06:02,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:06:02,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:06:02,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:06:02,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:06:02,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:06:02,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:06:02,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:06:02,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:06:02,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:06:02,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:06:02,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:06:02,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:06:02,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:06:02,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:06:02,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:06:02,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:06:02,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:06:02,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:06:02,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:06:02,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:06:02,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:06:02,059 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 [2020-09-21 12:06:02,087 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:06:02,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:06:02,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:06:02,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:06:02,089 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:06:02,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:06:02,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:06:02,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:06:02,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:06:02,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:06:02,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:06:02,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:06:02,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:06:02,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:06:02,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:06:02,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:06:02,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:06:02,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:06:02,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:06:02,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:06:02,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:06:02,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:06:02,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:06:02,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:06:02,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:06:02,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:06:02,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:06:02,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:06:02,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:06:02,094 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:06:02,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:06:02,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:06:02,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:06:02,581 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:06:02,583 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:06:02,585 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-09-21 12:06:02,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d38eab7dd/62f4c9673f274a0fb70f6c96d6b28c81/FLAG9d497cb48 [2020-09-21 12:06:03,286 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:06:03,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-09-21 12:06:03,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d38eab7dd/62f4c9673f274a0fb70f6c96d6b28c81/FLAG9d497cb48 [2020-09-21 12:06:03,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d38eab7dd/62f4c9673f274a0fb70f6c96d6b28c81 [2020-09-21 12:06:03,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:06:03,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:06:03,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:03,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:06:03,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:06:03,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:03" (1/1) ... [2020-09-21 12:06:03,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:03, skipping insertion in model container [2020-09-21 12:06:03,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:03" (1/1) ... [2020-09-21 12:06:03,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:06:03,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:06:04,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:04,182 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:06:04,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:04,361 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:06:04,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04 WrapperNode [2020-09-21 12:06:04,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:04,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:06:04,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:06:04,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:06:04,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:06:04,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:06:04,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:06:04,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:06:04,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (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 [2020-09-21 12:06:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:06:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:06:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:06:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:06:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:06:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:06:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:06:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:06:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:06:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:06:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:06:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:06:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:06:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:06:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:06:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:06:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:06:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:06:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:06:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:06:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:06:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:06:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:06:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:06:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:06:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:06:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:06:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:06:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:06:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:06:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:06:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:06:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:06:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:06:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:06:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:06:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:06:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:06:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:06:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:06:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:06:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:06:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:06:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:06:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:06:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:06:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:06:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:06:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:06:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:06:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:06:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:06:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:06:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:06:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:06:05,635 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:06:05,635 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:06:05,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:05 BoogieIcfgContainer [2020-09-21 12:06:05,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:06:05,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:06:05,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:06:05,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:06:05,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:06:03" (1/3) ... [2020-09-21 12:06:05,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c6b160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:05, skipping insertion in model container [2020-09-21 12:06:05,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (2/3) ... [2020-09-21 12:06:05,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c6b160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:05, skipping insertion in model container [2020-09-21 12:06:05,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:05" (3/3) ... [2020-09-21 12:06:05,652 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2020-09-21 12:06:05,663 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:06:05,674 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:06:05,697 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:06:05,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:06:05,728 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:06:05,728 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:06:05,728 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:06:05,728 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:06:05,728 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:06:05,728 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:06:05,728 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:06:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-09-21 12:06:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:06:05,764 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:05,765 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] [2020-09-21 12:06:05,766 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:05,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:05,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1484220246, now seen corresponding path program 1 times [2020-09-21 12:06:05,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:05,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540207141] [2020-09-21 12:06:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:06,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:06,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:06,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:06:07,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:07,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1474 [2020-09-21 12:06:07,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:06:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:06:08,102 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 12:06:08,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:08,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:08,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:08,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:08,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:08,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:08,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:08,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:08,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:08,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:06:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:08,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:08,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:06:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:08,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:08,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:08,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540207141] [2020-09-21 12:06:08,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:08,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:06:08,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805840679] [2020-09-21 12:06:08,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:06:08,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:08,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:06:08,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:08,352 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-09-21 12:06:09,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:09,508 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-09-21 12:06:09,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:06:09,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:06:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:09,528 INFO L225 Difference]: With dead ends: 247 [2020-09-21 12:06:09,528 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:06:09,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:09,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:06:09,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 12:06:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:06:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-09-21 12:06:09,634 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-09-21 12:06:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:09,634 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-09-21 12:06:09,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:06:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-09-21 12:06:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:06:09,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:09,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:09,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:06:09,639 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:09,640 INFO L82 PathProgramCache]: Analyzing trace with hash -94502595, now seen corresponding path program 1 times [2020-09-21 12:06:09,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:09,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688308313] [2020-09-21 12:06:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:09,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:06:10,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:10,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:06:10,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:10,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:06:10,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-21 12:06:11,068 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:06:11,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:11,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:11,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:11,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:11,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:11,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:11,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:11,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:06:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:06:11,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:11,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:06:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:11,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:11,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688308313] [2020-09-21 12:06:11,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:11,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:11,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729426299] [2020-09-21 12:06:11,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:11,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:11,254 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-09-21 12:06:11,824 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:12,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:12,449 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-09-21 12:06:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:12,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:06:12,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:12,453 INFO L225 Difference]: With dead ends: 180 [2020-09-21 12:06:12,453 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 12:06:12,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:12,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 12:06:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 12:06:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:06:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-09-21 12:06:12,492 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-09-21 12:06:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:12,492 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-09-21 12:06:12,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-09-21 12:06:12,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:06:12,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:12,495 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] [2020-09-21 12:06:12,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:06:12,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:12,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:12,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1923392666, now seen corresponding path program 1 times [2020-09-21 12:06:12,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:12,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182123087] [2020-09-21 12:06:12,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:12,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:06:13,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:06:13,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:06:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:13,904 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:14,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 12:06:14,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:14,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:14,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:14,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:14,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:14,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:14,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:14,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:14,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:14,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:14,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:14,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:06:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:14,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:14,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:14,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:14,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:06:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:14,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:14,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:14,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:14,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182123087] [2020-09-21 12:06:14,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:14,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:14,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657477880] [2020-09-21 12:06:14,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:14,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:14,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:14,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:14,154 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 4 states. [2020-09-21 12:06:14,474 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:15,139 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-09-21 12:06:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:15,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:06:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:15,142 INFO L225 Difference]: With dead ends: 189 [2020-09-21 12:06:15,142 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 12:06:15,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:15,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 12:06:15,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 12:06:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:06:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-09-21 12:06:15,198 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-09-21 12:06:15,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:15,199 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-09-21 12:06:15,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-09-21 12:06:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:06:15,201 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:15,201 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] [2020-09-21 12:06:15,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:06:15,202 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:15,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:15,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1814316309, now seen corresponding path program 1 times [2020-09-21 12:06:15,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:15,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153758882] [2020-09-21 12:06:15,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:16,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:16,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:06:16,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:06:16,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:06:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:16,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:06:16,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:16,744 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:16,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:16,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:16,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:16,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:16,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-21 12:06:16,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:16,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:16,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:16,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:16,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:16,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:16,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:16,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:16,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:16,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:16,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:06:16,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:16,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:16,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:16,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:16,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:17,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:17,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:17,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:17,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:06:17,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:17,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:17,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:17,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:06:17,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:06:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:06:17,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:17,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:06:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:17,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:06:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:17,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:17,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:17,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:06:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:06:17,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:17,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:06:17,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:06:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:17,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:17,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:17,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:17,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:17,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153758882] [2020-09-21 12:06:17,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:17,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:06:17,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326801515] [2020-09-21 12:06:17,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:06:17,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:17,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:06:17,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:06:17,171 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-09-21 12:06:17,693 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:19,045 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:19,502 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:19,823 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:20,164 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:06:20,599 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:21,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:21,290 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-09-21 12:06:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:06:21,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 12:06:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:21,296 INFO L225 Difference]: With dead ends: 294 [2020-09-21 12:06:21,296 INFO L226 Difference]: Without dead ends: 223 [2020-09-21 12:06:21,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:06:21,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-09-21 12:06:21,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 157. [2020-09-21 12:06:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-21 12:06:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-09-21 12:06:21,356 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-09-21 12:06:21,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:21,356 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-09-21 12:06:21,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:06:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-09-21 12:06:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:06:21,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:21,360 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] [2020-09-21 12:06:21,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:06:21,360 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:21,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:21,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1962478831, now seen corresponding path program 1 times [2020-09-21 12:06:21,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:21,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199054430] [2020-09-21 12:06:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 12:06:22,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:22,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:06:22,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:06:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 12:06:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:06:22,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,694 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:22,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:22,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:06:22,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:22,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:22,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:22,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:22,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:22,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:22,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:22,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:22,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:22,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:22,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:22,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:22,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 12:06:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:22,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:22,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:06:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:06:22,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:06:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:22,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:22,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:22,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:06:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:22,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:06:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:22,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:22,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:06:22,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:22,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:22,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199054430] [2020-09-21 12:06:22,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:22,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:06:22,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670228396] [2020-09-21 12:06:22,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:06:22,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:22,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:06:22,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:06:22,906 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 9 states. [2020-09-21 12:06:23,480 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:24,457 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:24,811 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:25,130 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:06:25,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:25,310 INFO L93 Difference]: Finished difference Result 273 states and 338 transitions. [2020-09-21 12:06:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:06:25,311 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 12:06:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:25,312 INFO L225 Difference]: With dead ends: 273 [2020-09-21 12:06:25,312 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:06:25,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:06:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:06:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:06:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:06:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:06:25,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 12:06:25,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:25,317 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:06:25,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:06:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:06:25,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:06:25,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:06:25,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:06:25,523 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:25,747 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:25,920 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:26,224 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 12:06:26,390 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:26,547 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:26,723 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:26,885 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:27,040 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:27,202 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:27,440 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 12:06:27,584 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:27,742 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:27,898 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,057 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,215 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,369 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,518 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:28,679 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,828 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:28,978 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:29,138 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:29,296 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:29,449 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:29,597 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:29,750 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:30,006 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:30,276 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:30,540 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:30,803 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:30,959 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:31,113 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:31,266 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:31,414 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:31,573 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:31,731 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:31,894 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:32,118 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 12:06:32,270 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:32,418 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,571 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:32,728 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:32,881 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:33,033 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:33,186 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,339 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:33,566 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 12:06:33,918 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:34,188 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:34,454 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:34,727 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:35,114 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:06:35,324 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:35,564 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:35,808 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:36,018 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:36,318 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:36,765 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 12:06:37,202 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:06:37,603 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 12:06:38,013 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 12:06:38,438 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-21 12:06:38,658 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:38,880 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:39,090 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:39,322 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:39,527 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:39,755 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:39,975 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 12:06:40,196 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:40,653 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 12:06:40,658 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-09-21 12:06:40,659 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 634) no Hoare annotation was computed. [2020-09-21 12:06:40,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 599 654) no Hoare annotation was computed. [2020-09-21 12:06:40,659 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-09-21 12:06:40,659 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 645) no Hoare annotation was computed. [2020-09-21 12:06:40,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 599 654) no Hoare annotation was computed. [2020-09-21 12:06:40,659 INFO L268 CegarLoopResult]: For program point L646(lines 623 647) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 599 654) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 655 714) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 655 714) no Hoare annotation was computed. [2020-09-21 12:06:40,660 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 691) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 655 714) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 706) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L268 CegarLoopResult]: For program point L707(lines 680 708) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-09-21 12:06:40,661 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-09-21 12:06:40,661 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-09-21 12:06:40,662 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-09-21 12:06:40,662 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,662 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-09-21 12:06:40,662 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,662 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,663 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-09-21 12:06:40,663 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-09-21 12:06:40,663 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-09-21 12:06:40,667 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,667 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,668 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,668 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-09-21 12:06:40,668 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 482 505) no Hoare annotation was computed. [2020-09-21 12:06:40,668 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 482 505) no Hoare annotation was computed. [2020-09-21 12:06:40,668 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 482 505) no Hoare annotation was computed. [2020-09-21 12:06:40,668 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 12:06:40,668 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-09-21 12:06:40,669 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 12:06:40,670 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:06:40,670 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-09-21 12:06:40,670 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:06:40,670 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:06:40,670 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2020-09-21 12:06:40,670 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2020-09-21 12:06:40,670 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2020-09-21 12:06:40,671 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2020-09-21 12:06:40,671 INFO L268 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-09-21 12:06:40,671 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2020-09-21 12:06:40,671 INFO L271 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: true [2020-09-21 12:06:40,671 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2020-09-21 12:06:40,671 INFO L268 CegarLoopResult]: For program point L372-1(line 372) no Hoare annotation was computed. [2020-09-21 12:06:40,671 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2020-09-21 12:06:40,671 INFO L268 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-09-21 12:06:40,672 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 356) no Hoare annotation was computed. [2020-09-21 12:06:40,672 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 329 364) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 329 364) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 329 364) no Hoare annotation was computed. [2020-09-21 12:06:40,673 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 553 598) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 553 598) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 553 598) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 866 911) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-09-21 12:06:40,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 866 911) no Hoare annotation was computed. [2020-09-21 12:06:40,675 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 866 911) no Hoare annotation was computed. [2020-09-21 12:06:40,675 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,675 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2020-09-21 12:06:40,675 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2020-09-21 12:06:40,675 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 309 319) no Hoare annotation was computed. [2020-09-21 12:06:40,675 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 309 319) no Hoare annotation was computed. [2020-09-21 12:06:40,676 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-09-21 12:06:40,676 INFO L268 CegarLoopResult]: For program point L314-1(line 314) no Hoare annotation was computed. [2020-09-21 12:06:40,676 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 309 319) no Hoare annotation was computed. [2020-09-21 12:06:40,676 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2020-09-21 12:06:40,676 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-09-21 12:06:40,676 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-09-21 12:06:40,676 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,676 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-09-21 12:06:40,677 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-09-21 12:06:40,677 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-09-21 12:06:40,677 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,677 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,677 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-09-21 12:06:40,677 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,677 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,678 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-09-21 12:06:40,678 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2020-09-21 12:06:40,678 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2020-09-21 12:06:40,678 INFO L264 CegarLoopResult]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:40,678 INFO L264 CegarLoopResult]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:40,678 INFO L268 CegarLoopResult]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2020-09-21 12:06:40,678 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-09-21 12:06:40,679 INFO L264 CegarLoopResult]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:40,679 INFO L268 CegarLoopResult]: For program point L397(lines 396 441) no Hoare annotation was computed. [2020-09-21 12:06:40,679 INFO L268 CegarLoopResult]: For program point L426(lines 426 437) no Hoare annotation was computed. [2020-09-21 12:06:40,679 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:40,679 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-09-21 12:06:40,679 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-09-21 12:06:40,679 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:40,680 INFO L264 CegarLoopResult]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point L834-1(lines 834 854) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 820 865) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 820 865) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 820 865) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2020-09-21 12:06:40,680 INFO L268 CegarLoopResult]: For program point L834(lines 834 854) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 275 282) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 275 282) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 275 282) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:06:40,681 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-09-21 12:06:40,682 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 717 819) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 786) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L787(lines 765 788) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L746(lines 746 762) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 717 819) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L767(lines 766 786) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L763(lines 763 804) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 717 819) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L741(lines 741 745) no Hoare annotation was computed. [2020-09-21 12:06:40,683 INFO L268 CegarLoopResult]: For program point L805(lines 805 816) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 284 300) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 284 300) no Hoare annotation was computed. [2020-09-21 12:06:40,684 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point L295-1(lines 284 300) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:06:40,685 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,686 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,686 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,686 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-09-21 12:06:40,686 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:06:40,686 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:06:40,686 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,686 INFO L268 CegarLoopResult]: For program point L222(lines 221 240) no Hoare annotation was computed. [2020-09-21 12:06:40,686 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,686 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2020-09-21 12:06:40,687 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,687 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2020-09-21 12:06:40,687 INFO L264 CegarLoopResult]: At program point L229(lines 229 235) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:40,687 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2020-09-21 12:06:40,687 INFO L271 CegarLoopResult]: At program point L477(lines 452 481) the Hoare annotation is: true [2020-09-21 12:06:40,687 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: true [2020-09-21 12:06:40,687 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 12:06:40,687 INFO L268 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-09-21 12:06:40,687 INFO L271 CegarLoopResult]: At program point L466-1(lines 466 470) the Hoare annotation is: true [2020-09-21 12:06:40,687 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L271 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: true [2020-09-21 12:06:40,688 INFO L271 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: true [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:40,688 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:40,688 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:06:40,689 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:06:40,689 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:06:40,689 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-09-21 12:06:40,689 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-09-21 12:06:40,689 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-09-21 12:06:40,689 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-09-21 12:06:40,689 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:06:40,690 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-09-21 12:06:40,690 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-09-21 12:06:40,690 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:06:40,690 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-09-21 12:06:40,690 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-09-21 12:06:40,690 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-09-21 12:06:40,690 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-09-21 12:06:40,690 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-09-21 12:06:40,690 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-09-21 12:06:40,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:40 BoogieIcfgContainer [2020-09-21 12:06:40,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:40,711 INFO L168 Benchmark]: Toolchain (without parser) took 37127.38 ms. Allocated memory was 140.0 MB in the beginning and 603.5 MB in the end (delta: 463.5 MB). Free memory was 102.4 MB in the beginning and 456.0 MB in the end (delta: -353.6 MB). Peak memory consumption was 448.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,711 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:06:40,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.84 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 173.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,713 INFO L168 Benchmark]: Boogie Preprocessor took 92.05 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,714 INFO L168 Benchmark]: RCFGBuilder took 1186.32 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 202.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,715 INFO L168 Benchmark]: TraceAbstraction took 35065.50 ms. Allocated memory was 237.0 MB in the beginning and 603.5 MB in the end (delta: 366.5 MB). Free memory was 202.0 MB in the beginning and 456.0 MB in the end (delta: -254.0 MB). Peak memory consumption was 451.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,718 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.84 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 173.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.05 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1186.32 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 202.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35065.50 ms. Allocated memory was 237.0 MB in the beginning and 603.5 MB in the end (delta: 366.5 MB). Free memory was 202.0 MB in the beginning and 456.0 MB in the end (delta: -254.0 MB). Peak memory consumption was 451.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 419 SDtfs, 695 SDslu, 215 SDs, 0 SdLazy, 1183 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 646 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 9.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 71332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...