/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:27:09,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:27:09,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:27:09,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:27:09,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:27:09,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:27:09,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:27:09,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:27:09,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:27:09,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:27:09,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:27:09,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:27:09,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:27:09,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:27:09,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:27:09,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:27:09,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:27:09,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:27:09,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:27:09,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:27:09,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:27:09,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:27:09,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:27:09,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:27:09,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:27:09,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:27:09,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:27:09,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:27:09,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:27:09,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:27:09,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:27:09,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:27:09,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:27:09,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:27:09,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:27:09,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:27:09,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:27:09,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:27:09,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:27:09,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:27:09,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:27:09,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:27:09,752 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:27:09,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:27:09,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:27:09,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:27:09,757 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:27:09,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:27:09,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:27:09,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:27:09,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:27:09,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:27:09,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:27:09,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:27:09,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:27:09,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:27:09,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:27:09,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:27:09,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:27:09,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:27:09,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:27:09,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:27:09,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:27:09,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:27:09,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:27:09,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:27:09,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:27:09,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:27:09,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:27:09,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:27:09,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:27:09,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:27:10,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:27:10,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:27:10,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:27:10,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:27:10,291 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:27:10,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-10-29 11:27:10,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef76d0cac/cc3d4a19ce7f49d79b8fc02cb2f1a0d3/FLAG395836aa7 [2020-10-29 11:27:11,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:27:11,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-10-29 11:27:11,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef76d0cac/cc3d4a19ce7f49d79b8fc02cb2f1a0d3/FLAG395836aa7 [2020-10-29 11:27:11,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef76d0cac/cc3d4a19ce7f49d79b8fc02cb2f1a0d3 [2020-10-29 11:27:11,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:27:11,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:27:11,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:27:11,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:27:11,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:27:11,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:27:11" (1/1) ... [2020-10-29 11:27:11,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dcdcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:11, skipping insertion in model container [2020-10-29 11:27:11,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:27:11" (1/1) ... [2020-10-29 11:27:11,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:27:11,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:27:11,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:27:11,864 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:27:11,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:27:12,001 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:27:12,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12 WrapperNode [2020-10-29 11:27:12,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:27:12,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:27:12,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:27:12,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:27:12,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... [2020-10-29 11:27:12,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:27:12,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:27:12,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:27:12,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:27:12,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:27:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:27:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:27:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:27:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:27:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:27:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:27:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:27:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:27:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:27:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:27:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:27:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:27:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:27:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:27:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:27:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:27:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:27:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:27:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:27:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:27:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:27:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:27:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:27:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:27:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:27:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:27:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:27:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:27:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:27:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:27:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:27:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:27:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:27:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:27:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:27:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:27:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:27:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:27:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:27:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:27:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:27:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:27:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:27:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:27:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:27:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:27:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:27:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:27:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:27:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:27:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:27:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:27:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:27:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:27:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:27:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:27:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:27:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:27:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:27:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:27:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:27:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:27:13,674 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:27:13,675 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:27:13,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:27:13 BoogieIcfgContainer [2020-10-29 11:27:13,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:27:13,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:27:13,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:27:13,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:27:13,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:27:11" (1/3) ... [2020-10-29 11:27:13,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3480e257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:27:13, skipping insertion in model container [2020-10-29 11:27:13,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:12" (2/3) ... [2020-10-29 11:27:13,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3480e257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:27:13, skipping insertion in model container [2020-10-29 11:27:13,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:27:13" (3/3) ... [2020-10-29 11:27:13,688 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-10-29 11:27:13,702 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:27:13,708 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:27:13,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:27:13,752 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:27:13,753 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:27:13,753 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:27:13,753 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:27:13,753 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:27:13,753 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:27:13,754 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:27:13,754 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:27:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-29 11:27:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:27:13,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:13,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:13,789 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:27:13,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:13,797 INFO L82 PathProgramCache]: Analyzing trace with hash 282733236, now seen corresponding path program 1 times [2020-10-29 11:27:13,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:13,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008815094] [2020-10-29 11:27:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:14,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:14,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:15,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:17,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:27:19,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:27:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-29 11:27:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:27:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 11:27:19,570 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:27:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:19,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 11:27:19,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:19,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:19,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:19,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:19,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:19,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:19,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:19,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:19,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:19,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:19,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:19,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:19,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:19,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:27:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:19,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:19,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:19,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:19,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:27:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:19,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:19,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:19,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:27:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:19,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:19,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:19,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:19,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:19,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:19,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:19,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:19,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:19,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008815094] [2020-10-29 11:27:19,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:19,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:27:19,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432250017] [2020-10-29 11:27:19,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:27:19,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:19,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:27:19,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:27:19,846 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-10-29 11:27:20,294 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:27:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:21,278 INFO L93 Difference]: Finished difference Result 203 states and 273 transitions. [2020-10-29 11:27:21,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:27:21,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:27:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:21,293 INFO L225 Difference]: With dead ends: 203 [2020-10-29 11:27:21,293 INFO L226 Difference]: Without dead ends: 114 [2020-10-29 11:27:21,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:27:21,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-29 11:27:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2020-10-29 11:27:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 11:27:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2020-10-29 11:27:21,384 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 52 [2020-10-29 11:27:21,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:21,385 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2020-10-29 11:27:21,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:27:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2020-10-29 11:27:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 11:27:21,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:21,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:21,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:27:21,390 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:27:21,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:21,390 INFO L82 PathProgramCache]: Analyzing trace with hash -2133636720, now seen corresponding path program 1 times [2020-10-29 11:27:21,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:21,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706957178] [2020-10-29 11:27:21,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:21,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 11:27:26,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:27:26,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 11:27:26,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:27:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:27:26,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:26,913 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:27:26,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 11:27:27,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:27,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:27,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:27,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:27,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:27:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:27,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:27:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:27:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:27,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:27,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:27:27,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:27:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:27:27,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:27,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:27,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:27,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706957178] [2020-10-29 11:27:27,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:27,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:27:27,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411113266] [2020-10-29 11:27:27,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:27:27,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:27,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:27:27,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:27:27,196 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 8 states. [2020-10-29 11:27:27,786 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:27:28,904 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:27:29,356 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:27:29,793 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:27:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:30,093 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2020-10-29 11:27:30,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:27:30,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-29 11:27:30,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:30,100 INFO L225 Difference]: With dead ends: 161 [2020-10-29 11:27:30,100 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:27:30,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:27:30,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:27:30,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:27:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:27:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:27:30,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-29 11:27:30,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:30,104 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:27:30,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:27:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:27:30,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:27:30,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:27:30,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:27:31,922 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:32,166 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:32,445 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:32,708 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-29 11:27:32,958 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-29 11:27:33,249 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:33,541 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-29 11:27:33,882 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:27:34,170 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:34,484 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-29 11:27:34,776 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:35,057 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-29 11:27:35,353 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-29 11:27:35,609 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-29 11:27:35,914 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:36,180 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-29 11:27:36,442 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-29 11:27:36,710 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-29 11:27:36,975 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-29 11:27:37,233 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-29 11:27:37,237 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:27:37,237 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point L479-2(lines 479 500) no Hoare annotation was computed. [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point L501(lines 478 502) no Hoare annotation was computed. [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 454 509) no Hoare annotation was computed. [2020-10-29 11:27:37,238 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 454 509) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L485(lines 485 489) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 454 509) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 561) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 510 569) no Hoare annotation was computed. [2020-10-29 11:27:37,239 INFO L274 CegarLoopResult]: For program point L562(lines 535 563) no Hoare annotation was computed. [2020-10-29 11:27:37,240 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 510 569) no Hoare annotation was computed. [2020-10-29 11:27:37,240 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 11:27:37,240 INFO L274 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-10-29 11:27:37,240 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 510 569) no Hoare annotation was computed. [2020-10-29 11:27:37,240 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 247 253) the Hoare annotation is: true [2020-10-29 11:27:37,240 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 247 253) no Hoare annotation was computed. [2020-10-29 11:27:37,240 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 254 262) no Hoare annotation was computed. [2020-10-29 11:27:37,241 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 254 262) the Hoare annotation is: true [2020-10-29 11:27:37,241 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 254 262) no Hoare annotation was computed. [2020-10-29 11:27:37,241 INFO L270 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,241 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 338 360) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,241 INFO L270 CegarLoopResult]: At program point L350-1(line 350) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,242 INFO L274 CegarLoopResult]: For program point L348(lines 348 355) no Hoare annotation was computed. [2020-10-29 11:27:37,242 INFO L274 CegarLoopResult]: For program point L348-1(lines 348 355) no Hoare annotation was computed. [2020-10-29 11:27:37,242 INFO L274 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-10-29 11:27:37,242 INFO L270 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,242 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 338 360) no Hoare annotation was computed. [2020-10-29 11:27:37,242 INFO L270 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,242 INFO L270 CegarLoopResult]: At program point L344-1(line 344) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 338 360) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 295 318) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 295 318) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 295 318) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-10-29 11:27:37,243 INFO L274 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-10-29 11:27:37,244 INFO L274 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 112 120) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 112 120) the Hoare annotation is: true [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 112 120) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point L128(lines 128 136) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point L128-2(lines 128 136) no Hoare annotation was computed. [2020-10-29 11:27:37,245 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 121 156) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 121 156) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 121 156) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 240 246) no Hoare annotation was computed. [2020-10-29 11:27:37,246 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 240 246) the Hoare annotation is: true [2020-10-29 11:27:37,246 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 408 453) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 408 453) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 408 453) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point L735(lines 735 755) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point L735-1(lines 735 755) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 721 766) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point L752(lines 752 753) no Hoare annotation was computed. [2020-10-29 11:27:37,247 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 745 746) no Hoare annotation was computed. [2020-10-29 11:27:37,248 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 752 753) no Hoare annotation was computed. [2020-10-29 11:27:37,248 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 721 766) no Hoare annotation was computed. [2020-10-29 11:27:37,248 INFO L274 CegarLoopResult]: For program point L745(lines 745 746) no Hoare annotation was computed. [2020-10-29 11:27:37,248 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 721 766) no Hoare annotation was computed. [2020-10-29 11:27:37,248 INFO L274 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-10-29 11:27:37,248 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 327 337) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,248 INFO L277 CegarLoopResult]: At program point L332(line 332) the Hoare annotation is: true [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 327 337) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 327 337) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 101 111) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 101 111) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 101 111) no Hoare annotation was computed. [2020-10-29 11:27:37,249 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 93 100) no Hoare annotation was computed. [2020-10-29 11:27:37,250 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 93 100) no Hoare annotation was computed. [2020-10-29 11:27:37,250 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 93 100) no Hoare annotation was computed. [2020-10-29 11:27:37,250 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 78 84) no Hoare annotation was computed. [2020-10-29 11:27:37,250 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 78 84) the Hoare annotation is: true [2020-10-29 11:27:37,250 INFO L270 CegarLoopResult]: At program point testENTRY(lines 161 224) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,250 INFO L277 CegarLoopResult]: At program point L217(lines 170 218) the Hoare annotation is: true [2020-10-29 11:27:37,250 INFO L274 CegarLoopResult]: For program point testFINAL(lines 161 224) no Hoare annotation was computed. [2020-10-29 11:27:37,250 INFO L274 CegarLoopResult]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-10-29 11:27:37,251 INFO L277 CegarLoopResult]: At program point L207-2(lines 201 212) the Hoare annotation is: true [2020-10-29 11:27:37,251 INFO L274 CegarLoopResult]: For program point L172(lines 171 216) no Hoare annotation was computed. [2020-10-29 11:27:37,251 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-10-29 11:27:37,251 INFO L277 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: true [2020-10-29 11:27:37,251 INFO L274 CegarLoopResult]: For program point L191(lines 191 197) no Hoare annotation was computed. [2020-10-29 11:27:37,251 INFO L274 CegarLoopResult]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2020-10-29 11:27:37,251 INFO L277 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: true [2020-10-29 11:27:37,251 INFO L277 CegarLoopResult]: At program point L214(lines 171 216) the Hoare annotation is: true [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point L173(lines 173 177) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point testEXIT(lines 161 224) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 699 700) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 706 707) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point L699(lines 699 700) no Hoare annotation was computed. [2020-10-29 11:27:37,252 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 675 720) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point L695(lines 695 702) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 675 720) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point L689(lines 689 709) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 675 720) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point L689-1(lines 689 709) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point L706(lines 706 707) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point L385(lines 385 391) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L274 CegarLoopResult]: For program point L384(lines 384 394) no Hoare annotation was computed. [2020-10-29 11:27:37,253 INFO L270 CegarLoopResult]: At program point L382(line 382) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:27:37,254 INFO L274 CegarLoopResult]: For program point L382-1(line 382) no Hoare annotation was computed. [2020-10-29 11:27:37,254 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-29 11:27:37,254 INFO L274 CegarLoopResult]: For program point L380-1(lines 372 400) no Hoare annotation was computed. [2020-10-29 11:27:37,254 INFO L270 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:27:37,254 INFO L274 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-10-29 11:27:37,254 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 372 400) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:27:37,254 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 372 400) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L270 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 816 838) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point L824(lines 824 832) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point L824-2(lines 824 832) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 816 838) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 816 838) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 364 371) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 364 371) no Hoare annotation was computed. [2020-10-29 11:27:37,255 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 364 371) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 230 239) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 230 239) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 230 239) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 572 674) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point L601(lines 601 617) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point L661(lines 661 668) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point L622(lines 621 641) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-10-29 11:27:37,256 INFO L274 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L618(lines 618 659) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 572 674) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L637(line 637) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L660(lines 660 671) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 572 674) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L623(lines 623 627) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L621-2(lines 621 641) no Hoare annotation was computed. [2020-10-29 11:27:37,257 INFO L274 CegarLoopResult]: For program point L642(lines 620 643) no Hoare annotation was computed. [2020-10-29 11:27:37,258 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,258 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.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~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:27:37,258 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,258 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 85 92) no Hoare annotation was computed. [2020-10-29 11:27:37,258 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 85 92) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 85 92) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 839 847) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 839 847) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 839 847) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point L799-1(lines 795 806) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 795 806) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 795 806) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,259 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,260 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,260 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 807 815) the Hoare annotation is: true [2020-10-29 11:27:37,260 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 807 815) no Hoare annotation was computed. [2020-10-29 11:27:37,260 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 807 815) no Hoare annotation was computed. [2020-10-29 11:27:37,260 INFO L270 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,260 INFO L270 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-29 11:27:37,260 INFO L274 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-10-29 11:27:37,261 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,261 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-10-29 11:27:37,261 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-10-29 11:27:37,261 INFO L270 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,261 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 265 294) no Hoare annotation was computed. [2020-10-29 11:27:37,262 INFO L274 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-10-29 11:27:37,263 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 265 294) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,263 INFO L274 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-10-29 11:27:37,263 INFO L277 CegarLoopResult]: At program point L279-1(lines 279 283) the Hoare annotation is: true [2020-10-29 11:27:37,264 INFO L274 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-10-29 11:27:37,264 INFO L277 CegarLoopResult]: At program point L275-2(lines 275 289) the Hoare annotation is: true [2020-10-29 11:27:37,264 INFO L270 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,264 INFO L274 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-10-29 11:27:37,264 INFO L277 CegarLoopResult]: At program point L290(lines 265 294) the Hoare annotation is: true [2020-10-29 11:27:37,264 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 771 782) the Hoare annotation is: true [2020-10-29 11:27:37,264 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 771 782) no Hoare annotation was computed. [2020-10-29 11:27:37,265 INFO L274 CegarLoopResult]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2020-10-29 11:27:37,265 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 319 325) no Hoare annotation was computed. [2020-10-29 11:27:37,265 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 319 325) the Hoare annotation is: true [2020-10-29 11:27:37,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,265 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-29 11:27:37,265 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:27:37,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:27:37,265 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 783 794) no Hoare annotation was computed. [2020-10-29 11:27:37,265 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 783 794) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:27:37,266 INFO L274 CegarLoopResult]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2020-10-29 11:27:37,266 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 849 856) no Hoare annotation was computed. [2020-10-29 11:27:37,266 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 849 856) the Hoare annotation is: true [2020-10-29 11:27:37,266 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-29 11:27:37,266 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 849 856) no Hoare annotation was computed. [2020-10-29 11:27:37,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:27:37 BoogieIcfgContainer [2020-10-29 11:27:37,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:27:37,284 INFO L168 Benchmark]: Toolchain (without parser) took 25907.84 ms. Allocated memory was 161.5 MB in the beginning and 426.8 MB in the end (delta: 265.3 MB). Free memory was 135.5 MB in the beginning and 308.6 MB in the end (delta: -173.0 MB). Peak memory consumption was 257.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:27:37,285 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 161.5 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:27:37,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.73 ms. Allocated memory is still 161.5 MB. Free memory was 134.8 MB in the beginning and 115.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:27:37,288 INFO L168 Benchmark]: Boogie Preprocessor took 114.45 ms. Allocated memory is still 161.5 MB. Free memory was 115.5 MB in the beginning and 111.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:27:37,289 INFO L168 Benchmark]: RCFGBuilder took 1557.11 ms. Allocated memory is still 161.5 MB. Free memory was 111.6 MB in the beginning and 62.2 MB in the end (delta: 49.4 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-10-29 11:27:37,296 INFO L168 Benchmark]: TraceAbstraction took 23602.51 ms. Allocated memory was 161.5 MB in the beginning and 426.8 MB in the end (delta: 265.3 MB). Free memory was 61.7 MB in the beginning and 308.6 MB in the end (delta: -246.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 8.0 GB. [2020-10-29 11:27:37,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 161.5 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 616.73 ms. Allocated memory is still 161.5 MB. Free memory was 134.8 MB in the beginning and 115.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.45 ms. Allocated memory is still 161.5 MB. Free memory was 115.5 MB in the beginning and 111.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1557.11 ms. Allocated memory is still 161.5 MB. Free memory was 111.6 MB in the beginning and 62.2 MB in the end (delta: 49.4 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23602.51 ms. Allocated memory was 161.5 MB in the beginning and 426.8 MB in the end (delta: 265.3 MB). Free memory was 61.7 MB in the beginning and 308.6 MB in the end (delta: -246.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 706]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 745]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 752]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 268 SDslu, 145 SDs, 0 SdLazy, 417 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 122 PreInvPairs, 151 NumberOfFragments, 554 HoareAnnotationTreeSize, 122 FomulaSimplifications, 5760 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5540 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 34012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...