/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_spec3_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:11:54,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:11:54,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:11:55,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:11:55,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:11:55,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:11:55,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:11:55,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:11:55,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:11:55,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:11:55,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:11:55,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:11:55,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:11:55,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:11:55,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:11:55,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:11:55,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:11:55,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:11:55,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:11:55,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:11:55,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:11:55,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:11:55,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:11:55,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:11:55,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:11:55,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:11:55,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:11:55,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:11:55,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:11:55,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:11:55,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:11:55,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:11:55,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:11:55,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:11:55,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:11:55,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:11:55,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:11:55,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:11:55,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:11:55,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:11:55,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:11:55,082 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 12:11:55,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:11:55,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:11:55,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:11:55,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:11:55,110 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:11:55,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:11:55,111 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:11:55,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:11:55,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:11:55,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:11:55,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:11:55,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:11:55,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:11:55,112 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:11:55,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:11:55,113 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:11:55,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:11:55,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:11:55,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:11:55,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:11:55,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:11:55,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:11:55,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:11:55,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:11:55,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:11:55,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:11:55,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:11:55,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:11:55,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:11:55,116 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 12:11:55,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:11:55,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:11:55,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:11:55,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:11:55,633 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:11:55,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2020-09-21 12:11:55,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03d8d5a64/fec5772468d74e7fa5e27cf6a29f0c67/FLAG6d8a551f5 [2020-09-21 12:11:56,378 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:11:56,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2020-09-21 12:11:56,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03d8d5a64/fec5772468d74e7fa5e27cf6a29f0c67/FLAG6d8a551f5 [2020-09-21 12:11:56,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03d8d5a64/fec5772468d74e7fa5e27cf6a29f0c67 [2020-09-21 12:11:56,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:11:56,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:11:56,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:11:56,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:11:56,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:11:56,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:11:56" (1/1) ... [2020-09-21 12:11:56,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:56, skipping insertion in model container [2020-09-21 12:11:56,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:11:56" (1/1) ... [2020-09-21 12:11:56,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:11:56,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:11:57,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:11:57,140 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:11:57,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:11:57,366 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:11:57,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57 WrapperNode [2020-09-21 12:11:57,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:11:57,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:11:57,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:11:57,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:11:57,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (1/1) ... [2020-09-21 12:11:57,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:11:57,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:11:57,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:11:57,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:11:57,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (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 12:11:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:11:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:11:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:11:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:11:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:11:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:11:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:11:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:11:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:11:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:11:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-21 12:11:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:11:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:11:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:11:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:11:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:11:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:11:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:11:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:11:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:11:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:11:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:11:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:11:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:11:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:11:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:11:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:11:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:11:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:11:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:11:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:11:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:11:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:11:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:11:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:11:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:11:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:11:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:11:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:11:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:11:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:11:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:11:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:11:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:11:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:11:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:11:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:11:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:11:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:11:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:11:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:11:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:11:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-21 12:11:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:11:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:11:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:11:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:11:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:11:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:11:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:11:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:11:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:11:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:11:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:11:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:11:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:11:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:11:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:11:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:11:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:11:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:11:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:11:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:11:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:11:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:11:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:11:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:11:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:11:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:11:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:11:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:11:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:11:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:11:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:11:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:11:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:11:58,673 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:11:58,673 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:11:58,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:11:58 BoogieIcfgContainer [2020-09-21 12:11:58,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:11:58,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:11:58,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:11:58,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:11:58,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:11:56" (1/3) ... [2020-09-21 12:11:58,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d94dadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:11:58, skipping insertion in model container [2020-09-21 12:11:58,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:11:57" (2/3) ... [2020-09-21 12:11:58,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d94dadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:11:58, skipping insertion in model container [2020-09-21 12:11:58,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:11:58" (3/3) ... [2020-09-21 12:11:58,689 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c [2020-09-21 12:11:58,702 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:11:58,713 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:11:58,737 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:11:58,768 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:11:58,769 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:11:58,769 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:11:58,769 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:11:58,769 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:11:58,769 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:11:58,769 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:11:58,770 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:11:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-09-21 12:11:58,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:11:58,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:11:58,812 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] [2020-09-21 12:11:58,812 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:11:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:11:58,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1512575049, now seen corresponding path program 1 times [2020-09-21 12:11:58,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:11:58,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528847985] [2020-09-21 12:11:58,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:11:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:11:59,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:11:59,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:12:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:12:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:12:00,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:12:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:12:00,531 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:12:00,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:12:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:00,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 12:12:00,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:12:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:00,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:00,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:12:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:00,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:00,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:12:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:00,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:12:00,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:12:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:00,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:00,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:12:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:00,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:12:00,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:00,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:12:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:00,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:12:00,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:00,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:12:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:00,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:00,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:00,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:00,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:12:00,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:00,773 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 12:12:00,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528847985] [2020-09-21 12:12:00,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:12:00,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:12:00,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075247039] [2020-09-21 12:12:00,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:12:00,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:12:00,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:12:00,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:12:00,809 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2020-09-21 12:12:02,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:12:02,024 INFO L93 Difference]: Finished difference Result 305 states and 403 transitions. [2020-09-21 12:12:02,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:12:02,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-09-21 12:12:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:12:02,045 INFO L225 Difference]: With dead ends: 305 [2020-09-21 12:12:02,045 INFO L226 Difference]: Without dead ends: 165 [2020-09-21 12:12:02,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:12:02,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-21 12:12:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 131. [2020-09-21 12:12:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-21 12:12:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 156 transitions. [2020-09-21 12:12:02,152 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 156 transitions. Word has length 52 [2020-09-21 12:12:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:12:02,153 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 156 transitions. [2020-09-21 12:12:02,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:12:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-09-21 12:12:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-21 12:12:02,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:12:02,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:12:02,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:12:02,158 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:12:02,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:12:02,159 INFO L82 PathProgramCache]: Analyzing trace with hash -298039851, now seen corresponding path program 1 times [2020-09-21 12:12:02,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:12:02,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592335949] [2020-09-21 12:12:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:12:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:02,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 12:12:03,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:12:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:12:03,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:03,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:12:03,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:12:03,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:03,589 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:12:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:12:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:03,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:12:03,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:12:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:03,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:03,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:12:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:03,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:12:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:03,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:03,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:12:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:03,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:03,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:12:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:03,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:03,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:03,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:12:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:03,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:12:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:03,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:03,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:03,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:03,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:03,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:03,763 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 12:12:03,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592335949] [2020-09-21 12:12:03,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:12:03,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:12:03,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320008454] [2020-09-21 12:12:03,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:12:03,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:12:03,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:12:03,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:12:03,769 INFO L87 Difference]: Start difference. First operand 131 states and 156 transitions. Second operand 4 states. [2020-09-21 12:12:04,219 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:12:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:12:05,123 INFO L93 Difference]: Finished difference Result 232 states and 286 transitions. [2020-09-21 12:12:05,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:12:05,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-09-21 12:12:05,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:12:05,129 INFO L225 Difference]: With dead ends: 232 [2020-09-21 12:12:05,129 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 12:12:05,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 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 12:12:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 12:12:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 122. [2020-09-21 12:12:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-21 12:12:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2020-09-21 12:12:05,175 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 53 [2020-09-21 12:12:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:12:05,176 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2020-09-21 12:12:05,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:12:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2020-09-21 12:12:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:12:05,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:12:05,179 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] [2020-09-21 12:12:05,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:12:05,180 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:12:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:12:05,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1680590552, now seen corresponding path program 1 times [2020-09-21 12:12:05,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:12:05,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120744727] [2020-09-21 12:12:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:12:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:05,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:12:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:12:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:12:06,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:12:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:12:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,616 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:12:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:12:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:06,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 12:12:06,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:06,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:12:06,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:12:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:06,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:06,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:12:06,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:12:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:06,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:12:06,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:12:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:12:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:06,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:12:06,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:06,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:12:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:12:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:06,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:06,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:12:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:12:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:06,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:06,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:12:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:06,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:12:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:06,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:06,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:06,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:06,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:06,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:06,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:06,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:06,914 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 12:12:06,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120744727] [2020-09-21 12:12:06,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:12:06,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:12:06,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972652201] [2020-09-21 12:12:06,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:12:06,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:12:06,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:12:06,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:12:06,917 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 4 states. [2020-09-21 12:12:07,225 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:12:08,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:12:08,973 INFO L93 Difference]: Finished difference Result 357 states and 446 transitions. [2020-09-21 12:12:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:12:08,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-09-21 12:12:08,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:12:08,978 INFO L225 Difference]: With dead ends: 357 [2020-09-21 12:12:08,978 INFO L226 Difference]: Without dead ends: 259 [2020-09-21 12:12:08,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 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 12:12:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-21 12:12:09,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 214. [2020-09-21 12:12:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-21 12:12:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 259 transitions. [2020-09-21 12:12:09,042 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 259 transitions. Word has length 57 [2020-09-21 12:12:09,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:12:09,042 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 259 transitions. [2020-09-21 12:12:09,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:12:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 259 transitions. [2020-09-21 12:12:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:12:09,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:12:09,046 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 12:12:09,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:12:09,046 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:12:09,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:12:09,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1676229378, now seen corresponding path program 1 times [2020-09-21 12:12:09,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:12:09,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540543776] [2020-09-21 12:12:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:12:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:09,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:12:10,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:12:10,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:12:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:12:10,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:10,529 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:12:10,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:12:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:10,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-21 12:12:10,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:12:10,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:12:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:12:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:10,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:12:10,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:12:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:10,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:12:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:10,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:12:10,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:12:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:12:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:10,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:12:10,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:12:10,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:10,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:12:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:10,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:10,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:12:10,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:12:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:12:10,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:12:10,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:12:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:12:10,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:12:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:10,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:12:10,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:12:10,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:12:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:10,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:12:10,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:12:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:12:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:12:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:10,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:10,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:10,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:10,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:10,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:10,861 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 12:12:10,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540543776] [2020-09-21 12:12:10,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:12:10,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:12:10,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012423588] [2020-09-21 12:12:10,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:12:10,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:12:10,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:12:10,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:12:10,864 INFO L87 Difference]: Start difference. First operand 214 states and 259 transitions. Second operand 9 states. [2020-09-21 12:12:11,286 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:12:12,260 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:12:13,407 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:12:13,972 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:12:14,360 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:12:14,747 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:12:15,089 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:12:15,490 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:12:15,904 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:12:16,289 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:12:17,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:12:17,767 INFO L93 Difference]: Finished difference Result 883 states and 1188 transitions. [2020-09-21 12:12:17,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 12:12:17,773 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 12:12:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:12:17,780 INFO L225 Difference]: With dead ends: 883 [2020-09-21 12:12:17,780 INFO L226 Difference]: Without dead ends: 693 [2020-09-21 12:12:17,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-09-21 12:12:17,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2020-09-21 12:12:17,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 602. [2020-09-21 12:12:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-09-21 12:12:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 757 transitions. [2020-09-21 12:12:17,969 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 757 transitions. Word has length 63 [2020-09-21 12:12:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:12:17,970 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 757 transitions. [2020-09-21 12:12:17,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:12:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 757 transitions. [2020-09-21 12:12:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-21 12:12:17,976 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:12:17,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:12:17,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:12:17,977 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:12:17,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:12:17,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1535913174, now seen corresponding path program 1 times [2020-09-21 12:12:17,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:12:17,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542454017] [2020-09-21 12:12:17,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:12:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:18,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:18,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:18,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-21 12:12:19,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:12:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:12:19,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,308 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:12:19,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:12:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:12:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:12:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:12:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:19,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:12:19,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:12:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:19,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:12:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:12:19,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:19,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 12:12:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:19,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:12:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:12:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:12:19,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:12:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:12:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:12:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:12:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:12:19,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:12:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 12:12:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 12:12:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:12:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:12:19,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:12:19,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:12:19,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:12:19,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:12:19,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:12:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:12:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:12:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:12:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:12:19,493 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 12:12:19,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542454017] [2020-09-21 12:12:19,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:12:19,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:12:19,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015161391] [2020-09-21 12:12:19,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:12:19,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:12:19,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:12:19,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:12:19,496 INFO L87 Difference]: Start difference. First operand 602 states and 757 transitions. Second operand 6 states. [2020-09-21 12:12:19,897 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:12:20,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:12:20,808 INFO L93 Difference]: Finished difference Result 848 states and 1096 transitions. [2020-09-21 12:12:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:12:20,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-21 12:12:20,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:12:20,811 INFO L225 Difference]: With dead ends: 848 [2020-09-21 12:12:20,811 INFO L226 Difference]: Without dead ends: 270 [2020-09-21 12:12:20,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:12:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-09-21 12:12:20,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 253. [2020-09-21 12:12:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-21 12:12:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 286 transitions. [2020-09-21 12:12:20,883 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 286 transitions. Word has length 71 [2020-09-21 12:12:20,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:12:20,883 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 286 transitions. [2020-09-21 12:12:20,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:12:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 286 transitions. [2020-09-21 12:12:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 12:12:20,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:12:20,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:12:20,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:12:20,886 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:12:20,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:12:20,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1477650020, now seen corresponding path program 1 times [2020-09-21 12:12:20,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:12:20,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699860893] [2020-09-21 12:12:20,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:12:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 12:12:20,948 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 12:12:20,949 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 12:12:20,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:12:20,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:12:20 BoogieIcfgContainer [2020-09-21 12:12:20,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:12:20,982 INFO L168 Benchmark]: Toolchain (without parser) took 24323.56 ms. Allocated memory was 140.0 MB in the beginning and 591.9 MB in the end (delta: 451.9 MB). Free memory was 102.4 MB in the beginning and 85.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 469.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:12:20,983 INFO L168 Benchmark]: CDTParser took 0.29 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 12:12:20,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.44 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 173.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:12:20,985 INFO L168 Benchmark]: Boogie Preprocessor took 100.80 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:12:20,986 INFO L168 Benchmark]: RCFGBuilder took 1210.56 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.2 MB in the beginning and 200.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:12:20,987 INFO L168 Benchmark]: TraceAbstraction took 22299.26 ms. Allocated memory was 237.5 MB in the beginning and 591.9 MB in the end (delta: 354.4 MB). Free memory was 199.4 MB in the beginning and 85.2 MB in the end (delta: 114.2 MB). Peak memory consumption was 468.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:12:20,992 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 703.44 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 173.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.80 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.56 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.2 MB in the beginning and 200.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22299.26 ms. Allocated memory was 237.5 MB in the beginning and 591.9 MB in the end (delta: 354.4 MB). Free memory was 199.4 MB in the beginning and 85.2 MB in the end (delta: 114.2 MB). Peak memory consumption was 468.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 541]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L177] int pumpRunning = 0; [L178] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L519] FCALL select_helpers() [L520] FCALL select_features() [L521] CALL, EXPR valid_product() [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] return (retValue_acc); [L521] RET, EXPR valid_product() [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L525] FCALL setup() [L526] CALL runTest() [L505] CALL test() [L372] int splverifierCounter ; [L373] int tmp ; [L374] int tmp___0 ; [L375] int tmp___1 ; [L376] int tmp___2 ; [L379] splverifierCounter = 0 [L381] COND TRUE 1 [L383] COND TRUE splverifierCounter < 4 [L389] tmp = __VERIFIER_nondet_int() [L391] COND TRUE \read(tmp) [L393] CALL waterRise() [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L393] RET waterRise() [L399] tmp___0 = __VERIFIER_nondet_int() [L401] COND FALSE !(\read(tmp___0)) [L409] tmp___2 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___2)) [L415] tmp___1 = __VERIFIER_nondet_int() [L417] COND TRUE \read(tmp___1) [L419] CALL stopSystem() [L358] COND FALSE !(\read(pumpRunning)) [L365] systemActive = 0 [L419] RET stopSystem() [L426] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND FALSE !(\read(systemActive)) [L199] CALL __utac_acc__Specification3_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L141] int tmp___1 ; [L145] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L145] RET, EXPR isMethaneLevelCritical() [L145] tmp = isMethaneLevelCritical() [L147] COND FALSE !(\read(tmp)) [L151] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L151] RET, EXPR getWaterLevel() [L151] tmp___0 = getWaterLevel() [L153] COND TRUE tmp___0 == 2 [L155] CALL, EXPR isPumpRunning() [L291] int retValue_acc ; [L294] retValue_acc = pumpRunning [L295] return (retValue_acc); [L155] RET, EXPR isPumpRunning() [L155] tmp___1 = isPumpRunning() [L157] COND FALSE !(\read(tmp___1)) [L161] CALL __automaton_fail() [L541] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 578 SDtfs, 979 SDslu, 356 SDs, 0 SdLazy, 1792 SolverSat, 581 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 214 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 81926 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 incorrect! Received shutdown request...