/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:27,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:27,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:27,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:27,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:27,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:27,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:27,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:27,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:27,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:27,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:27,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:27,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:27,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:27,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:27,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:27,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:27,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:27,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:27,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:27,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:27,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:27,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:27,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:27,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:27,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:27,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:27,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:27,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:27,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:27,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:27,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:27,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:27,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:27,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:27,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:27,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:27,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:27,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:27,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:28,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:28,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:08:28,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:28,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:28,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:28,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:28,028 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:28,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:28,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:28,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:28,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:28,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:28,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:28,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:28,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:28,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:28,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:28,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:28,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:28,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:28,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:28,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:28,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:28,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:28,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:28,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:28,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:28,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:28,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:28,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:28,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:28,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:28,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:28,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:28,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:28,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:28,511 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:28,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-21 12:08:28,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af811875b/e402f411228f44d781fc569d917c52bf/FLAG8681f9303 [2020-09-21 12:08:29,221 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:29,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-21 12:08:29,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af811875b/e402f411228f44d781fc569d917c52bf/FLAG8681f9303 [2020-09-21 12:08:29,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af811875b/e402f411228f44d781fc569d917c52bf [2020-09-21 12:08:29,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:29,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:29,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:29,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:29,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:29,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29, skipping insertion in model container [2020-09-21 12:08:29,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:29,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:29,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:29,958 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:30,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:30,191 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:30,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30 WrapperNode [2020-09-21 12:08:30,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:30,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:30,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:30,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:30,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... [2020-09-21 12:08:30,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:30,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:30,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:30,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:30,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:08:30,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:30,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:30,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:30,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:30,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:30,393 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:30,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:30,393 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:30,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:08:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:08:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:31,465 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:31,466 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:31,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:31 BoogieIcfgContainer [2020-09-21 12:08:31,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:31,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:31,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:31,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:31,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:29" (1/3) ... [2020-09-21 12:08:31,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799fb08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:31, skipping insertion in model container [2020-09-21 12:08:31,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:30" (2/3) ... [2020-09-21 12:08:31,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799fb08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:31, skipping insertion in model container [2020-09-21 12:08:31,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:31" (3/3) ... [2020-09-21 12:08:31,482 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-09-21 12:08:31,494 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:31,505 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:31,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:31,559 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:31,559 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:31,559 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:31,559 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:31,560 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:31,560 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:31,560 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:31,560 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-09-21 12:08:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:31,598 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:31,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:31,600 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:31,607 INFO L82 PathProgramCache]: Analyzing trace with hash -536149365, now seen corresponding path program 1 times [2020-09-21 12:08:31,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:31,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219570122] [2020-09-21 12:08:31,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:32,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:08:32,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:33,423 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:33,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 12:08:33,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:08:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:33,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:33,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:33,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:33,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:33,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:33,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:33,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:33,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:33,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:33,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219570122] [2020-09-21 12:08:33,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:33,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:33,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500424064] [2020-09-21 12:08:33,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:33,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:33,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:33,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:33,696 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 4 states. [2020-09-21 12:08:34,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:34,455 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-09-21 12:08:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:34,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:34,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:34,477 INFO L225 Difference]: With dead ends: 219 [2020-09-21 12:08:34,477 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 12:08:34,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:34,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 12:08:34,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-09-21 12:08:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:08:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-09-21 12:08:34,572 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-09-21 12:08:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:34,573 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-09-21 12:08:34,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-09-21 12:08:34,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:34,576 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:34,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:34,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:34,577 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:34,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:34,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1955999865, now seen corresponding path program 1 times [2020-09-21 12:08:34,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:34,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669279270] [2020-09-21 12:08:34,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:34,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,950 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:35,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 12:08:36,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:36,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:36,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:36,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:36,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:36,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:36,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:36,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:36,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669279270] [2020-09-21 12:08:36,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:36,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:36,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115713429] [2020-09-21 12:08:36,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:36,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:36,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:36,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:36,153 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-09-21 12:08:36,786 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:37,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:37,361 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-09-21 12:08:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:37,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:37,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:37,364 INFO L225 Difference]: With dead ends: 155 [2020-09-21 12:08:37,364 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 12:08:37,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:37,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 12:08:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-09-21 12:08:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 12:08:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-09-21 12:08:37,400 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-09-21 12:08:37,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:37,401 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-09-21 12:08:37,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-09-21 12:08:37,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:37,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:37,406 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] [2020-09-21 12:08:37,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:37,406 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:37,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:37,407 INFO L82 PathProgramCache]: Analyzing trace with hash 989054586, now seen corresponding path program 1 times [2020-09-21 12:08:37,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:37,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640519469] [2020-09-21 12:08:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:37,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,845 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:38,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 12:08:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:39,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:39,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:39,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:39,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:39,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:39,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:39,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:39,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:39,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:39,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:39,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:39,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:39,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:39,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640519469] [2020-09-21 12:08:39,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:39,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:39,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220264903] [2020-09-21 12:08:39,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:39,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:39,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:39,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:39,089 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 5 states. [2020-09-21 12:08:39,446 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:40,624 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2020-09-21 12:08:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:40,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:08:40,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:40,628 INFO L225 Difference]: With dead ends: 238 [2020-09-21 12:08:40,628 INFO L226 Difference]: Without dead ends: 180 [2020-09-21 12:08:40,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:40,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-09-21 12:08:40,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 132. [2020-09-21 12:08:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 12:08:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-09-21 12:08:40,678 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 56 [2020-09-21 12:08:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:40,679 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-09-21 12:08:40,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-09-21 12:08:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:08:40,681 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:40,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:40,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:40,682 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:40,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:40,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1261077216, now seen corresponding path program 1 times [2020-09-21 12:08:40,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:40,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869448112] [2020-09-21 12:08:40,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:40,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:08:41,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1055 [2020-09-21 12:08:41,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:08:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-21 12:08:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:08:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,272 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:42,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:42,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:08:42,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:42,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:42,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:42,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:42,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:42,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:42,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:42,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:42,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:42,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:42,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:42,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:08:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:42,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:42,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:08:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:42,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:08:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:42,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:42,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:42,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:42,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:08:42,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:42,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:42,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:42,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869448112] [2020-09-21 12:08:42,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:42,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:08:42,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810019010] [2020-09-21 12:08:42,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:08:42,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:42,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:08:42,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:08:42,510 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 8 states. [2020-09-21 12:08:43,214 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:44,414 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,742 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:08:45,035 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:08:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:45,229 INFO L93 Difference]: Finished difference Result 249 states and 318 transitions. [2020-09-21 12:08:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:08:45,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 12:08:45,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:45,231 INFO L225 Difference]: With dead ends: 249 [2020-09-21 12:08:45,231 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:45,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:08:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:45,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:45,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 12:08:45,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:45,236 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:45,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:08:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:45,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:45,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:45,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:45,460 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,626 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,800 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,965 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:46,135 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,262 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 7 [2020-09-21 12:08:46,532 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:46,805 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:47,211 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:47,570 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:47,923 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:48,085 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,358 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:48,619 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:48,964 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:49,309 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:49,654 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:49,816 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,975 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:50,131 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:50,289 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:50,433 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:50,591 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:50,745 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:50,859 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 7 [2020-09-21 12:08:51,019 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:51,122 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-21 12:08:51,276 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:51,433 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:51,596 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:51,753 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:51,911 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:52,069 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:52,229 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:52,382 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:52,539 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:52,642 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-21 12:08:52,801 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:52,959 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:53,117 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:53,275 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:53,433 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:53,588 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:53,752 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:53,906 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:54,065 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:54,223 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:54,382 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:54,539 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:54,698 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:55,026 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:08:55,362 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:08:55,680 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:08:55,833 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:55,991 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:56,099 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-21 12:08:56,370 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:56,604 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:57,033 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:57,475 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:08:57,756 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:58,182 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:08:58,427 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:58,652 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:58,862 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:59,080 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:59,326 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:59,544 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:59,790 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:00,220 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:09:00,451 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:00,674 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:01,097 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:01,331 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:01,751 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:02,173 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:02,395 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 13 [2020-09-21 12:09:02,800 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:02,819 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-09-21 12:09:02,819 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-09-21 12:09:02,819 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 12:09:02,819 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:09:02,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-09-21 12:09:02,821 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-21 12:09:02,821 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-09-21 12:09:02,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-09-21 12:09:02,821 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-09-21 12:09:02,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-09-21 12:09:02,822 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 12:09:02,822 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-09-21 12:09:02,822 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 12:09:02,822 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 12:09:02,822 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:09:02,822 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 12:09:02,823 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:09:02,823 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 866 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,823 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2020-09-21 12:09:02,823 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,823 INFO L264 CegarLoopResult]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,824 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 866 888) no Hoare annotation was computed. [2020-09-21 12:09:02,824 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-09-21 12:09:02,824 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2020-09-21 12:09:02,824 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-21 12:09:02,824 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,824 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,825 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,825 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 12:09:02,825 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 12:09:02,825 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2020-09-21 12:09:02,825 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 12:09:02,825 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 12:09:02,825 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 12:09:02,826 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 12:09:02,827 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 12:09:02,827 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 12:09:02,827 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 12:09:02,827 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2020-09-21 12:09:02,827 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:02,827 INFO L268 CegarLoopResult]: For program point L582(lines 582 588) no Hoare annotation was computed. [2020-09-21 12:09:02,827 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 578 592) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 488 495) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 488 495) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 488 495) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 533 541) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 12:09:02,828 INFO L268 CegarLoopResult]: For program point L572-1(line 572) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point L561(lines 561 569) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point L561-2(lines 561 569) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 542 577) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 542 577) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 542 577) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 12:09:02,829 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-09-21 12:09:02,830 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-09-21 12:09:02,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-09-21 12:09:02,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-09-21 12:09:02,831 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 855 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,831 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:02,831 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2020-09-21 12:09:02,831 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 522 532) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 522 532) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 522 532) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2020-09-21 12:09:02,832 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 514 521) no Hoare annotation was computed. [2020-09-21 12:09:02,833 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2020-09-21 12:09:02,833 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2020-09-21 12:09:02,833 INFO L268 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-09-21 12:09:02,833 INFO L264 CegarLoopResult]: At program point testENTRY(lines 597 662) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:02,833 INFO L268 CegarLoopResult]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2020-09-21 12:09:02,833 INFO L264 CegarLoopResult]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:02,834 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,834 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-09-21 12:09:02,834 INFO L264 CegarLoopResult]: At program point L643-1(lines 637 650) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,834 INFO L268 CegarLoopResult]: For program point L608(lines 607 654) no Hoare annotation was computed. [2020-09-21 12:09:02,834 INFO L268 CegarLoopResult]: For program point L637(lines 637 650) no Hoare annotation was computed. [2020-09-21 12:09:02,834 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,834 INFO L268 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2020-09-21 12:09:02,835 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2020-09-21 12:09:02,835 INFO L264 CegarLoopResult]: At program point L652(lines 607 654) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,835 INFO L264 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,835 INFO L268 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2020-09-21 12:09:02,835 INFO L268 CegarLoopResult]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2020-09-21 12:09:02,835 INFO L268 CegarLoopResult]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2020-09-21 12:09:02,835 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-09-21 12:09:02,836 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-09-21 12:09:02,836 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-09-21 12:09:02,836 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-09-21 12:09:02,836 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-09-21 12:09:02,836 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-09-21 12:09:02,836 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,836 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-09-21 12:09:02,837 INFO L268 CegarLoopResult]: For program point L694(lines 694 704) no Hoare annotation was computed. [2020-09-21 12:09:02,837 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,837 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-09-21 12:09:02,837 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-09-21 12:09:02,837 INFO L268 CegarLoopResult]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2020-09-21 12:09:02,837 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,837 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 760 782) no Hoare annotation was computed. [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 760 782) no Hoare annotation was computed. [2020-09-21 12:09:02,838 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 760 782) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 674 681) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-09-21 12:09:02,839 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-09-21 12:09:02,840 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-09-21 12:09:02,841 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,842 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#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~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:02,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,842 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:09:02,842 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 497 513) no Hoare annotation was computed. [2020-09-21 12:09:02,842 INFO L268 CegarLoopResult]: For program point L508-1(lines 497 513) no Hoare annotation was computed. [2020-09-21 12:09:02,842 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 497 513) no Hoare annotation was computed. [2020-09-21 12:09:02,842 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 783 791) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 783 791) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 783 791) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,843 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:02,844 INFO L268 CegarLoopResult]: For program point L743-1(lines 739 750) no Hoare annotation was computed. [2020-09-21 12:09:02,844 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2020-09-21 12:09:02,844 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2020-09-21 12:09:02,844 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 751 759) no Hoare annotation was computed. [2020-09-21 12:09:02,844 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2020-09-21 12:09:02,844 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,844 INFO L264 CegarLoopResult]: At program point L468(lines 468 474) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,845 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,845 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,845 INFO L268 CegarLoopResult]: For program point L461(lines 460 479) no Hoare annotation was computed. [2020-09-21 12:09:02,845 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2020-09-21 12:09:02,845 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2020-09-21 12:09:02,845 INFO L271 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: true [2020-09-21 12:09:02,845 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2020-09-21 12:09:02,845 INFO L268 CegarLoopResult]: For program point L800-1(line 800) no Hoare annotation was computed. [2020-09-21 12:09:02,845 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2020-09-21 12:09:02,846 INFO L271 CegarLoopResult]: At program point L819(lines 794 823) the Hoare annotation is: true [2020-09-21 12:09:02,846 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 12:09:02,846 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-09-21 12:09:02,846 INFO L271 CegarLoopResult]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2020-09-21 12:09:02,846 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-09-21 12:09:02,846 INFO L271 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2020-09-21 12:09:02,846 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2020-09-21 12:09:02,846 INFO L268 CegarLoopResult]: For program point L719-1(lines 715 726) no Hoare annotation was computed. [2020-09-21 12:09:02,847 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2020-09-21 12:09:02,847 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2020-09-21 12:09:02,847 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2020-09-21 12:09:02,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,847 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:09:02,847 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:02,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:02,847 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2020-09-21 12:09:02,847 INFO L268 CegarLoopResult]: For program point L731-1(lines 727 738) no Hoare annotation was computed. [2020-09-21 12:09:02,848 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:02,848 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 664 671) no Hoare annotation was computed. [2020-09-21 12:09:02,848 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2020-09-21 12:09:02,848 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2020-09-21 12:09:02,848 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2020-09-21 12:09:02,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:02 BoogieIcfgContainer [2020-09-21 12:09:02,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:02,870 INFO L168 Benchmark]: Toolchain (without parser) took 33366.19 ms. Allocated memory was 138.9 MB in the beginning and 556.8 MB in the end (delta: 417.9 MB). Free memory was 101.2 MB in the beginning and 131.6 MB in the end (delta: -30.4 MB). Peak memory consumption was 432.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:02,870 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:09:02,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.09 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 173.7 MB in the end (delta: -73.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:02,872 INFO L168 Benchmark]: Boogie Preprocessor took 98.43 ms. Allocated memory is still 203.4 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:02,873 INFO L168 Benchmark]: RCFGBuilder took 1180.92 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 169.5 MB in the beginning and 202.8 MB in the end (delta: -33.3 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:02,874 INFO L168 Benchmark]: TraceAbstraction took 31394.08 ms. Allocated memory was 234.9 MB in the beginning and 556.8 MB in the end (delta: 321.9 MB). Free memory was 201.4 MB in the beginning and 131.6 MB in the end (delta: 69.8 MB). Peak memory consumption was 436.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:02,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.09 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 173.7 MB in the end (delta: -73.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.43 ms. Allocated memory is still 203.4 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.92 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 169.5 MB in the beginning and 202.8 MB in the end (delta: -33.3 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31394.08 ms. Allocated memory was 234.9 MB in the beginning and 556.8 MB in the end (delta: 321.9 MB). Free memory was 201.4 MB in the beginning and 131.6 MB in the end (delta: 69.8 MB). Peak memory consumption was 436.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 212 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 322 SDtfs, 478 SDslu, 214 SDs, 0 SdLazy, 730 SolverSat, 311 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 107 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 173 PreInvPairs, 202 NumberOfFragments, 763 HoareAnnotationTreeSize, 173 FomulaSimplifications, 27153 FormulaSimplificationTreeSizeReduction, 10.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 7100 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 58504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...