/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 interpolation-heuristic=FIRST --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_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:30,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:30,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:30,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:30,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:30,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:30,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:30,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:30,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:30,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:30,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:30,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:30,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:30,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:30,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:30,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:30,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:30,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:30,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:30,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:30,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:30,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:30,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:30,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:30,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:30,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:30,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:30,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:30,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:30,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:30,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:30,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:30,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:30,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:30,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:30,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:30,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:30,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:30,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:30,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:30,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:30,267 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 11:14:30,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:30,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:30,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:30,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:30,315 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:30,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:30,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:30,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:30,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:30,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:30,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:30,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:30,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:30,319 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:30,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:30,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:30,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:30,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:30,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:30,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:30,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:30,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:30,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:30,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:30,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:30,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:30,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:30,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:30,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:30,322 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:14:30,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:30,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:30,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:30,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:30,812 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:30,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-09-21 11:14:30,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e793986/c1436b2b5b2b4188b3671f79be3e3fc7/FLAG0ef787f3a [2020-09-21 11:14:31,493 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:31,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-09-21 11:14:31,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e793986/c1436b2b5b2b4188b3671f79be3e3fc7/FLAG0ef787f3a [2020-09-21 11:14:31,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e793986/c1436b2b5b2b4188b3671f79be3e3fc7 [2020-09-21 11:14:31,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:31,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:31,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:31,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:31,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:31,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:31" (1/1) ... [2020-09-21 11:14:31,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556c1ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:31, skipping insertion in model container [2020-09-21 11:14:31,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:31" (1/1) ... [2020-09-21 11:14:31,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:31,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:32,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:32,346 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:32,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:32,479 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:32,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32 WrapperNode [2020-09-21 11:14:32,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:32,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:32,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:32,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:32,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (1/1) ... [2020-09-21 11:14:32,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:32,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:32,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:32,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:32,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (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 11:14:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:14:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:14:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:14:33,731 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:14:33,731 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:14:33,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:33 BoogieIcfgContainer [2020-09-21 11:14:33,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:14:33,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:14:33,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:14:33,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:14:33,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:31" (1/3) ... [2020-09-21 11:14:33,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df7fa27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:33, skipping insertion in model container [2020-09-21 11:14:33,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:32" (2/3) ... [2020-09-21 11:14:33,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df7fa27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:33, skipping insertion in model container [2020-09-21 11:14:33,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:33" (3/3) ... [2020-09-21 11:14:33,750 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2020-09-21 11:14:33,761 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:14:33,772 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:14:33,791 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:14:33,819 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:14:33,819 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:14:33,820 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:14:33,820 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:14:33,820 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:14:33,820 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:14:33,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:14:33,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:14:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-09-21 11:14:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:14:33,854 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:33,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:33,855 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1661019057, now seen corresponding path program 1 times [2020-09-21 11:14:33,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:33,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171362540] [2020-09-21 11:14:33,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:14:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:34,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:14:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,686 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:34,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:34,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 27 [2020-09-21 11:14:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:34,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171362540] [2020-09-21 11:14:34,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:34,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:34,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246601149] [2020-09-21 11:14:34,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:34,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:34,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:34,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:34,915 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 4 states. [2020-09-21 11:14:35,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:35,693 INFO L93 Difference]: Finished difference Result 215 states and 284 transitions. [2020-09-21 11:14:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:14:35,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:14:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:35,712 INFO L225 Difference]: With dead ends: 215 [2020-09-21 11:14:35,712 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 11:14:35,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:35,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 11:14:35,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 95. [2020-09-21 11:14:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:14:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-09-21 11:14:35,797 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2020-09-21 11:14:35,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:35,798 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-09-21 11:14:35,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-09-21 11:14:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:14:35,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:35,802 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:35,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:14:35,803 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:35,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:35,803 INFO L82 PathProgramCache]: Analyzing trace with hash 828652057, now seen corresponding path program 1 times [2020-09-21 11:14:35,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:35,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463567228] [2020-09-21 11:14:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:35,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:35,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:35,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:35,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:35,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:14:35,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:14:35,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:14:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,252 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:36,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:36,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:36,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:36,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:36,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:14:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:14:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:36,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463567228] [2020-09-21 11:14:36,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:36,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:36,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794727724] [2020-09-21 11:14:36,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:36,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:36,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:36,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:36,361 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-09-21 11:14:36,819 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:37,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:37,402 INFO L93 Difference]: Finished difference Result 156 states and 192 transitions. [2020-09-21 11:14:37,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:14:37,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:14:37,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:37,405 INFO L225 Difference]: With dead ends: 156 [2020-09-21 11:14:37,406 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 11:14:37,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:37,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 11:14:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2020-09-21 11:14:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 11:14:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-09-21 11:14:37,436 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2020-09-21 11:14:37,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:37,436 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-09-21 11:14:37,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-09-21 11:14:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:14:37,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:37,439 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:37,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:14:37,439 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:37,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:37,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1426566225, now seen corresponding path program 1 times [2020-09-21 11:14:37,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:37,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472995764] [2020-09-21 11:14:37,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:37,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:14:37,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-09-21 11:14:37,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:14:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:14:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,232 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:38,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:14:38,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:38,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:38,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:38,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:38,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:38,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:38,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:38,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:14:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:38,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472995764] [2020-09-21 11:14:38,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:38,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:38,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624358277] [2020-09-21 11:14:38,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:38,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:38,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:38,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:38,414 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 5 states. [2020-09-21 11:14:38,762 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:39,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:39,451 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2020-09-21 11:14:39,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:14:39,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:14:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:39,455 INFO L225 Difference]: With dead ends: 169 [2020-09-21 11:14:39,455 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 11:14:39,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 11:14:39,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2020-09-21 11:14:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 11:14:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2020-09-21 11:14:39,483 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 65 [2020-09-21 11:14:39,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:39,484 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2020-09-21 11:14:39,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-09-21 11:14:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:14:39,487 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:39,487 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:39,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:14:39,487 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:39,488 INFO L82 PathProgramCache]: Analyzing trace with hash -116553072, now seen corresponding path program 1 times [2020-09-21 11:14:39,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:39,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301826667] [2020-09-21 11:14:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:14:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-21 11:14:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:14:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,051 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:40,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:14:40,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:40,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:40,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:40,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:14:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:40,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:14:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:40,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:40,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:14:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:40,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:40,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:40,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:14:40,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301826667] [2020-09-21 11:14:40,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:40,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:40,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871483739] [2020-09-21 11:14:40,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:40,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:40,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:40,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:40,247 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 8 states. [2020-09-21 11:14:40,619 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:41,377 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:41,979 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:42,281 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:14:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:42,353 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2020-09-21 11:14:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:14:42,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-09-21 11:14:42,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:42,355 INFO L225 Difference]: With dead ends: 161 [2020-09-21 11:14:42,355 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:14:42,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:14:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:14:42,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:14:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:14:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:14:42,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-09-21 11:14:42,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:42,359 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:14:42,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:14:42,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:14:42,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:42,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:14:42,550 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:42,745 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:42,911 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:43,081 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 11 [2020-09-21 11:14:43,246 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:43,414 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:43,583 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:43,740 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:43,903 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,060 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,218 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,376 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,532 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:44,699 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 11 [2020-09-21 11:14:44,845 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:45,003 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,165 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 10 [2020-09-21 11:14:45,321 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,476 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,629 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,784 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,938 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,097 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 10 [2020-09-21 11:14:46,252 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,406 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,560 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,712 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,866 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,019 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,179 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,332 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,482 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 11 [2020-09-21 11:14:47,634 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,946 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,103 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,256 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,409 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:48,660 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:48,879 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:49,132 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:49,361 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:49,565 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:14:49,796 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:50,014 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:50,216 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 11:14:50,479 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:50,737 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:50,952 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2020-09-21 11:14:51,257 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 11:14:51,465 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:14:51,733 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:14:51,931 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:14:51,939 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:14:51,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:14:51,941 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 11:14:51,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:14:51,942 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 11:14:51,942 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2020-09-21 11:14:51,942 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2020-09-21 11:14:51,942 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2020-09-21 11:14:51,943 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2020-09-21 11:14:51,943 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 772 780) no Hoare annotation was computed. [2020-09-21 11:14:51,943 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:14:51,943 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2020-09-21 11:14:51,943 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 696 703) no Hoare annotation was computed. [2020-09-21 11:14:51,943 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:14:51,944 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2020-09-21 11:14:51,944 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 704 713) no Hoare annotation was computed. [2020-09-21 11:14:51,944 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-09-21 11:14:51,944 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,944 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-09-21 11:14:51,944 INFO L268 CegarLoopResult]: For program point L726(lines 726 736) no Hoare annotation was computed. [2020-09-21 11:14:51,945 INFO L271 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: true [2020-09-21 11:14:51,945 INFO L268 CegarLoopResult]: For program point L724-1(line 724) no Hoare annotation was computed. [2020-09-21 11:14:51,945 INFO L268 CegarLoopResult]: For program point L722(lines 722 739) no Hoare annotation was computed. [2020-09-21 11:14:51,945 INFO L268 CegarLoopResult]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2020-09-21 11:14:51,945 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2020-09-21 11:14:51,945 INFO L271 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: true [2020-09-21 11:14:51,945 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-09-21 11:14:51,946 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2020-09-21 11:14:51,946 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-09-21 11:14:51,946 INFO L268 CegarLoopResult]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2020-09-21 11:14:51,946 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-09-21 11:14:51,946 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,946 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,947 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,947 INFO L264 CegarLoopResult]: At program point L861-1(line 861) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,947 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2020-09-21 11:14:51,947 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 855 877) no Hoare annotation was computed. [2020-09-21 11:14:51,947 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,948 INFO L264 CegarLoopResult]: At program point L867-1(line 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,948 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2020-09-21 11:14:51,948 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 11:14:51,948 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 11:14:51,948 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 11:14:51,948 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-09-21 11:14:51,949 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2020-09-21 11:14:51,950 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 564 572) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point L603-1(line 603) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 573 608) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2020-09-21 11:14:51,951 INFO L268 CegarLoopResult]: For program point L580(lines 580 588) no Hoare annotation was computed. [2020-09-21 11:14:51,952 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2020-09-21 11:14:51,952 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 588) no Hoare annotation was computed. [2020-09-21 11:14:51,952 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2020-09-21 11:14:51,952 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2020-09-21 11:14:51,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:14:51,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:14:51,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:14:51,953 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:14:51,953 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 553 563) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2020-09-21 11:14:51,954 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2020-09-21 11:14:51,955 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 545 552) no Hoare annotation was computed. [2020-09-21 11:14:51,955 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2020-09-21 11:14:51,955 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2020-09-21 11:14:51,955 INFO L264 CegarLoopResult]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:14:51,955 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-09-21 11:14:51,955 INFO L264 CegarLoopResult]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,955 INFO L268 CegarLoopResult]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2020-09-21 11:14:51,955 INFO L268 CegarLoopResult]: For program point L630(lines 629 676) no Hoare annotation was computed. [2020-09-21 11:14:51,956 INFO L264 CegarLoopResult]: At program point L661(line 661) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,956 INFO L268 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2020-09-21 11:14:51,956 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,956 INFO L268 CegarLoopResult]: For program point L649(lines 649 655) no Hoare annotation was computed. [2020-09-21 11:14:51,956 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2020-09-21 11:14:51,956 INFO L264 CegarLoopResult]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,956 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,956 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L264 CegarLoopResult]: At program point L677(lines 628 678) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 11:14:51,957 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:14:51,958 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:14:51,959 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 748 757) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2020-09-21 11:14:51,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,961 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:14:51,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,961 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 537 544) no Hoare annotation was computed. [2020-09-21 11:14:51,961 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2020-09-21 11:14:51,961 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2020-09-21 11:14:51,961 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2020-09-21 11:14:51,961 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2020-09-21 11:14:51,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-09-21 11:14:51,963 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-09-21 11:14:51,963 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:14:51,963 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-09-21 11:14:51,963 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-09-21 11:14:51,963 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:14:51,963 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-09-21 11:14:51,963 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-09-21 11:14:51,963 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-09-21 11:14:51,964 INFO L271 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: true [2020-09-21 11:14:51,964 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2020-09-21 11:14:51,964 INFO L268 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2020-09-21 11:14:51,964 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2020-09-21 11:14:51,964 INFO L271 CegarLoopResult]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2020-09-21 11:14:51,964 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-09-21 11:14:51,964 INFO L271 CegarLoopResult]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2020-09-21 11:14:51,964 INFO L271 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: true [2020-09-21 11:14:51,964 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-09-21 11:14:51,965 INFO L271 CegarLoopResult]: At program point L808(lines 783 812) the Hoare annotation is: true [2020-09-21 11:14:51,965 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 11:14:51,965 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-09-21 11:14:51,965 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-09-21 11:14:51,965 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-09-21 11:14:51,965 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2020-09-21 11:14:51,965 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2020-09-21 11:14:51,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,966 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:14:51,966 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:14:51,966 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:14:51,966 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2020-09-21 11:14:51,966 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:14:51,966 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 609 616) no Hoare annotation was computed. [2020-09-21 11:14:51,966 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-09-21 11:14:51,966 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-09-21 11:14:51,966 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:14:51,967 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 686 693) no Hoare annotation was computed. [2020-09-21 11:14:51,967 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2020-09-21 11:14:51,967 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2020-09-21 11:14:51,967 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2020-09-21 11:14:51,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:14:51 BoogieIcfgContainer [2020-09-21 11:14:51,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:14:51,989 INFO L168 Benchmark]: Toolchain (without parser) took 20196.49 ms. Allocated memory was 148.9 MB in the beginning and 453.0 MB in the end (delta: 304.1 MB). Free memory was 104.0 MB in the beginning and 227.4 MB in the end (delta: -123.4 MB). Peak memory consumption was 313.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:51,989 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-09-21 11:14:51,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.84 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 173.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:51,991 INFO L168 Benchmark]: Boogie Preprocessor took 93.86 ms. Allocated memory is still 205.5 MB. Free memory was 173.9 MB in the beginning and 170.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:51,992 INFO L168 Benchmark]: RCFGBuilder took 1165.75 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 170.2 MB in the beginning and 195.2 MB in the end (delta: -25.0 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:51,993 INFO L168 Benchmark]: TraceAbstraction took 18244.61 ms. Allocated memory was 233.8 MB in the beginning and 453.0 MB in the end (delta: 219.2 MB). Free memory was 195.2 MB in the beginning and 227.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 319.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:14:51,997 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.84 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 173.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.86 ms. Allocated memory is still 205.5 MB. Free memory was 173.9 MB in the beginning and 170.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1165.75 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 170.2 MB in the beginning and 195.2 MB in the end (delta: -25.0 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18244.61 ms. Allocated memory was 233.8 MB in the beginning and 453.0 MB in the end (delta: 219.2 MB). Free memory was 195.2 MB in the beginning and 227.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 319.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || (splverifierCounter <= 0 && 1 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 345 SDslu, 216 SDs, 0 SdLazy, 658 SolverSat, 229 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 76 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 143 PreInvPairs, 163 NumberOfFragments, 585 HoareAnnotationTreeSize, 143 FomulaSimplifications, 10523 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4635 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 71736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...