/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:13:01,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:13:01,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:13:01,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:13:01,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:13:01,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:13:01,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:13:01,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:13:01,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:13:01,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:13:01,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:13:01,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:13:01,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:13:01,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:13:01,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:13:01,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:13:01,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:13:01,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:13:01,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:13:01,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:13:01,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:13:01,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:13:01,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:13:01,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:13:01,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:13:01,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:13:01,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:13:01,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:13:01,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:13:01,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:13:01,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:13:01,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:13:01,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:13:01,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:13:01,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:13:01,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:13:01,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:13:01,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:13:01,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:13:01,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:13:01,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:13:01,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:13:02,017 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:13:02,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:13:02,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:13:02,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:13:02,024 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:13:02,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:13:02,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:13:02,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:13:02,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:13:02,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:13:02,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:13:02,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:13:02,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:13:02,027 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:13:02,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:13:02,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:13:02,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:13:02,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:13:02,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:13:02,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:13:02,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:13:02,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:13:02,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:13:02,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:13:02,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:13:02,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:13:02,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:13:02,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:13:02,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:13:02,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:13:02,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:13:02,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:13:02,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:13:02,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:13:02,528 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:13:02,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label14.c [2020-10-28 10:13:02,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13f0961c4/022ce36d14614c409f1e349f2963bcb9/FLAGef12ee471 [2020-10-28 10:13:03,517 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:13:03,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label14.c [2020-10-28 10:13:03,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13f0961c4/022ce36d14614c409f1e349f2963bcb9/FLAGef12ee471 [2020-10-28 10:13:03,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13f0961c4/022ce36d14614c409f1e349f2963bcb9 [2020-10-28 10:13:03,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:13:03,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:13:03,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:13:03,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:13:03,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:13:03,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:13:03" (1/1) ... [2020-10-28 10:13:03,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c34af26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:03, skipping insertion in model container [2020-10-28 10:13:03,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:13:03" (1/1) ... [2020-10-28 10:13:03,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:13:03,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:13:04,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:13:04,527 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:13:04,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:13:04,865 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:13:04,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04 WrapperNode [2020-10-28 10:13:04,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:13:04,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:13:04,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:13:04,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:13:04,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:04,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:04,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:04,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:05,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:05,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:05,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... [2020-10-28 10:13:05,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:13:05,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:13:05,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:13:05,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:13:05,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:13:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:13:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:13:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:13:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:13:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:13:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:13:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:13:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:13:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:13:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:13:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:13:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:13:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:13:07,537 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:13:07,538 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:13:07,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:13:07 BoogieIcfgContainer [2020-10-28 10:13:07,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:13:07,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:13:07,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:13:07,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:13:07,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:13:03" (1/3) ... [2020-10-28 10:13:07,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b526a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:13:07, skipping insertion in model container [2020-10-28 10:13:07,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:13:04" (2/3) ... [2020-10-28 10:13:07,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b526a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:13:07, skipping insertion in model container [2020-10-28 10:13:07,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:13:07" (3/3) ... [2020-10-28 10:13:07,550 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label14.c [2020-10-28 10:13:07,564 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:13:07,570 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:13:07,586 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:13:07,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:13:07,622 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:13:07,622 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:13:07,622 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:13:07,622 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:13:07,623 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:13:07,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:13:07,623 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:13:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-28 10:13:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 10:13:07,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:13:07,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:13:07,669 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:13:07,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:13:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash 972838764, now seen corresponding path program 1 times [2020-10-28 10:13:07,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:13:07,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984454178] [2020-10-28 10:13:07,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:13:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:08,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:09,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:12,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:12,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-28 10:13:12,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:13:12,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4816 [2020-10-28 10:13:12,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:12,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:13:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:13:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 10:13:12,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:13:13,407 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:13:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:13:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:13,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:13,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:13:13,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 10:13:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:13,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:13:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:13:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:13:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:13:13,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984454178] [2020-10-28 10:13:13,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:13:13,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:13:13,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366587832] [2020-10-28 10:13:13,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:13:13,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:13:13,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:13:13,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:13:13,611 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-28 10:13:13,905 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:13:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:13:17,297 INFO L93 Difference]: Finished difference Result 863 states and 1524 transitions. [2020-10-28 10:13:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:13:17,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2020-10-28 10:13:17,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:13:17,320 INFO L225 Difference]: With dead ends: 863 [2020-10-28 10:13:17,320 INFO L226 Difference]: Without dead ends: 484 [2020-10-28 10:13:17,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:13:17,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-10-28 10:13:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 466. [2020-10-28 10:13:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-28 10:13:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 744 transitions. [2020-10-28 10:13:17,428 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 744 transitions. Word has length 177 [2020-10-28 10:13:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:13:17,432 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 744 transitions. [2020-10-28 10:13:17,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:13:17,432 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 744 transitions. [2020-10-28 10:13:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 10:13:17,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:13:17,445 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:13:17,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:13:17,446 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:13:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:13:17,449 INFO L82 PathProgramCache]: Analyzing trace with hash -656625317, now seen corresponding path program 1 times [2020-10-28 10:13:17,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:13:17,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124099494] [2020-10-28 10:13:17,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:13:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:17,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:19,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:19,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-28 10:13:19,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:13:19,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2076 [2020-10-28 10:13:19,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:19,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:19,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:13:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:13:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-28 10:13:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:13:20,205 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:13:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:13:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:20,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:13:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 10:13:20,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:20,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:13:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:20,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:13:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 10:13:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:13:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:20,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:20,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:13:20,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:20,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 10:13:20,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:20,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:13:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:13:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:13:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:13:20,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124099494] [2020-10-28 10:13:20,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:13:20,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:13:20,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472373731] [2020-10-28 10:13:20,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:13:20,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:13:20,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:13:20,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:13:20,618 INFO L87 Difference]: Start difference. First operand 466 states and 744 transitions. Second operand 5 states. [2020-10-28 10:13:20,942 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:13:24,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:13:24,724 INFO L93 Difference]: Finished difference Result 1362 states and 2202 transitions. [2020-10-28 10:13:24,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:13:24,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2020-10-28 10:13:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:13:24,742 INFO L225 Difference]: With dead ends: 1362 [2020-10-28 10:13:24,742 INFO L226 Difference]: Without dead ends: 902 [2020-10-28 10:13:24,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:13:24,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-28 10:13:24,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 896. [2020-10-28 10:13:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-10-28 10:13:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1358 transitions. [2020-10-28 10:13:24,825 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1358 transitions. Word has length 186 [2020-10-28 10:13:24,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:13:24,825 INFO L481 AbstractCegarLoop]: Abstraction has 896 states and 1358 transitions. [2020-10-28 10:13:24,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:13:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1358 transitions. [2020-10-28 10:13:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-28 10:13:24,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:13:24,830 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:13:24,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:13:24,831 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:13:24,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:13:24,831 INFO L82 PathProgramCache]: Analyzing trace with hash 369247263, now seen corresponding path program 1 times [2020-10-28 10:13:24,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:13:24,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259808743] [2020-10-28 10:13:24,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:13:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:24,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:25,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:29,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:29,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-28 10:13:29,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:13:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4515 [2020-10-28 10:13:29,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:29,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:13:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:13:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-28 10:13:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:29,854 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:13:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:13:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:29,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:29,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:29,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:13:29,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:13:29,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:29,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:13:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:13:29,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:13:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:30,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:30,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:30,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:13:30,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 10:13:30,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:30,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:13:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:13:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:13:30,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259808743] [2020-10-28 10:13:30,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:13:30,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:13:30,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467589511] [2020-10-28 10:13:30,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:13:30,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:13:30,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:13:30,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:13:30,121 INFO L87 Difference]: Start difference. First operand 896 states and 1358 transitions. Second operand 5 states. [2020-10-28 10:13:30,384 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:13:33,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:13:33,338 INFO L93 Difference]: Finished difference Result 2630 states and 4062 transitions. [2020-10-28 10:13:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:13:33,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2020-10-28 10:13:33,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:13:33,357 INFO L225 Difference]: With dead ends: 2630 [2020-10-28 10:13:33,357 INFO L226 Difference]: Without dead ends: 1740 [2020-10-28 10:13:33,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:13:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2020-10-28 10:13:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1734. [2020-10-28 10:13:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2020-10-28 10:13:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2612 transitions. [2020-10-28 10:13:33,443 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2612 transitions. Word has length 188 [2020-10-28 10:13:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:13:33,444 INFO L481 AbstractCegarLoop]: Abstraction has 1734 states and 2612 transitions. [2020-10-28 10:13:33,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:13:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2612 transitions. [2020-10-28 10:13:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-28 10:13:33,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:13:33,452 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:13:33,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:13:33,452 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:13:33,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:13:33,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1448239524, now seen corresponding path program 1 times [2020-10-28 10:13:33,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:13:33,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651175020] [2020-10-28 10:13:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:13:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:33,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:35,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:36,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:38,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:38,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-28 10:13:38,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:13:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 10:13:38,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:38,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:13:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 10:13:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-28 10:13:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:38,961 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:13:38,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:13:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:38,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:13:38,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:13:38,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:38,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:13:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:13:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:13:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:39,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:39,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:13:39,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:13:39,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:39,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:13:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:13:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:39,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:13:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:39,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:39,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:39,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 10:13:39,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:39,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:13:39,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:39,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:13:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 10:13:39,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 10:13:39,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651175020] [2020-10-28 10:13:39,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:13:39,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:13:39,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916798483] [2020-10-28 10:13:39,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:13:39,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:13:39,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:13:39,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:13:39,368 INFO L87 Difference]: Start difference. First operand 1734 states and 2612 transitions. Second operand 5 states. [2020-10-28 10:13:39,758 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:13:43,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:13:43,268 INFO L93 Difference]: Finished difference Result 5147 states and 7961 transitions. [2020-10-28 10:13:43,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:13:43,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-10-28 10:13:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:13:43,298 INFO L225 Difference]: With dead ends: 5147 [2020-10-28 10:13:43,298 INFO L226 Difference]: Without dead ends: 3419 [2020-10-28 10:13:43,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:13:43,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2020-10-28 10:13:43,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3409. [2020-10-28 10:13:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3409 states. [2020-10-28 10:13:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 5064 transitions. [2020-10-28 10:13:43,474 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 5064 transitions. Word has length 203 [2020-10-28 10:13:43,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:13:43,474 INFO L481 AbstractCegarLoop]: Abstraction has 3409 states and 5064 transitions. [2020-10-28 10:13:43,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:13:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 5064 transitions. [2020-10-28 10:13:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-28 10:13:43,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:13:43,491 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:13:43,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:13:43,492 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:13:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:13:43,493 INFO L82 PathProgramCache]: Analyzing trace with hash 637788024, now seen corresponding path program 1 times [2020-10-28 10:13:43,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:13:43,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552481711] [2020-10-28 10:13:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:13:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:43,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:44,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:48,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:48,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-28 10:13:48,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:13:48,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4765 [2020-10-28 10:13:48,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:48,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 10:13:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:13:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 242 [2020-10-28 10:13:48,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:48,961 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:13:48,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:13:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:48,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:49,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:13:49,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:13:49,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 10:13:49,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:49,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:49,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:13:49,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:13:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:13:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:13:49,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:49,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:13:49,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:13:49,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 10:13:49,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:13:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-28 10:13:49,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:13:49,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:13:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 10:13:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:13:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 10:13:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:13:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:13:50,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552481711] [2020-10-28 10:13:50,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:13:50,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:13:50,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625759709] [2020-10-28 10:13:50,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:13:50,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:13:50,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:13:50,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:13:50,070 INFO L87 Difference]: Start difference. First operand 3409 states and 5064 transitions. Second operand 7 states. [2020-10-28 10:13:50,364 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:13:51,951 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 10:13:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:13:54,456 INFO L93 Difference]: Finished difference Result 6760 states and 10108 transitions. [2020-10-28 10:13:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:13:54,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 254 [2020-10-28 10:13:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:13:54,458 INFO L225 Difference]: With dead ends: 6760 [2020-10-28 10:13:54,458 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:13:54,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:13:54,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:13:54,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:13:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:13:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:13:54,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2020-10-28 10:13:54,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:13:54,474 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:13:54,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:13:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:13:54,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:13:54,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:13:54,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:13:55,215 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 30 [2020-10-28 10:13:55,402 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 30 [2020-10-28 10:13:55,749 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2020-10-28 10:13:57,579 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 209 DAG size of output: 129 [2020-10-28 10:13:57,875 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:13:58,100 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-10-28 10:13:58,104 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:13:58,105 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:13:58,105 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:13:58,105 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:13:58,105 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:13:58,105 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-28 10:13:58,106 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-28 10:13:58,107 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,108 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-28 10:13:58,109 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,110 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:13:58,111 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,112 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,113 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-28 10:13:58,114 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-28 10:13:58,115 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-28 10:13:58,116 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-28 10:13:58,116 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:13:58,116 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:13:58,116 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,116 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,116 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a26~0 |old(~a26~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse30 (= ~a6~0 |old(~a6~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|)) (.cse6 (= ~a29~0 |old(~a29~0)|)) (.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a0~0 |old(~a0~0)|)) (.cse10 (= ~a3~0 |old(~a3~0)|)) (.cse11 (= ~a9~0 |old(~a9~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a5~0 |old(~a5~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse17 (= ~a2~0 |old(~a2~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (= ~a14~0 |old(~a14~0)|)) (.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= ~a23~0 |old(~a23~0)|)) (.cse22 (= ~a12~0 |old(~a12~0)|)) (.cse23 (= ~a15~0 |old(~a15~0)|)) (.cse24 (= ~a13~0 |old(~a13~0)|)) (.cse25 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a20~0 |old(~a20~0)|)) (.cse27 (= ~a22~0 |old(~a22~0)|)) (.cse28 (= ~a10~0 |old(~a10~0)|)) (.cse29 (= ~a27~0 |old(~a27~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse30 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29)) (.cse1 (not (= ~a18~0 1)))) (and (or .cse0 (not (<= 1 |old(~a6~0)|)) .cse1 (not (<= |old(~a6~0)| 1))) (or .cse0 (not (<= 1 |old(~a3~0)|)) .cse1) (or .cse0 (not (<= |old(~a12~0)| 1)) (not (<= 1 |old(~a12~0)|)) .cse1) (or (not (= |old(~a5~0)| 1)) (not (= |old(~a6~0)| |old(~a27~0)|)) (not (= |old(~a26~0)| 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= ~a12~0 ~a6~0) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (not (= |old(~a3~0)| 0)) (not (= |old(~a6~0)| |old(~a12~0)|)) .cse1 (not (= |old(~a11~0)| 1)) (not (= |old(~a6~0)| 0))) (or (and .cse2 .cse3 .cse4 .cse30 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= ~a27~0 1) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28) (not (= |old(~a27~0)| 1)) .cse1)))) [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-28 10:13:58,117 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:13:58,118 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,119 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,120 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,121 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,122 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,123 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,124 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,125 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-28 10:13:58,126 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,127 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,128 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,129 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-28 10:13:58,130 INFO L270 CegarLoopResult]: At program point L1547(line 1547) the Hoare annotation is: (let ((.cse0 (not (= ~a18~0 1)))) (and (or (not (<= 1 |old(~a3~0)|)) .cse0) (or (not (<= 1 |old(~a6~0)|)) .cse0 (not (<= |old(~a6~0)| 1))) (or (not (= |old(~a27~0)| 1)) .cse0) (or (not (<= |old(~a12~0)| 1)) (not (<= 1 |old(~a12~0)|)) .cse0) (or (not (= |old(~a5~0)| 1)) (not (= |old(~a6~0)| |old(~a27~0)|)) (not (= |old(~a26~0)| 1)) (not (= |old(~a3~0)| 0)) (not (= |old(~a6~0)| |old(~a12~0)|)) .cse0 (not (= |old(~a11~0)| 1)) (not (= |old(~a6~0)| 0))))) [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L1547-1(line 1547) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,131 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:13:58,132 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-28 10:13:58,133 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-28 10:13:58,134 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-28 10:13:58,134 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,134 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-28 10:13:58,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:13:58,134 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a27~0 1) (<= 1 ~a3~0) (= ~a18~0 1)) [2020-10-28 10:13:58,134 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:13:58,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:13:58,134 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-28 10:13:58,135 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a27~0 1) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= |old(~a27~0)| 1)) (not (<= 1 |old(~a3~0)|)) (not (= ~a18~0 1))) [2020-10-28 10:13:58,135 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (or (= ~a27~0 1) (<= 1 ~a3~0) (and (<= ~a12~0 1) (<= 1 ~a12~0)) (not (= |old(~a27~0)| 1)) (not (<= 1 |old(~a3~0)|)) (and (<= ~a6~0 1) (<= 1 ~a6~0)) (not (= ~a18~0 1)) (and (= ~a6~0 0) (= ~a5~0 1) (= ~a27~0 ~a6~0) (= ~a26~0 1) (= ~a3~0 0) (= ~a11~0 1) (= ~a12~0 ~a6~0))) [2020-10-28 10:13:58,135 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:13:58,135 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:13:58,135 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (or (= ~a27~0 1) (<= 1 ~a3~0) (and (<= ~a12~0 1) (<= 1 ~a12~0)) (not (= |old(~a27~0)| 1)) (not (<= 1 |old(~a3~0)|)) (and (<= ~a6~0 1) (<= 1 ~a6~0)) (not (= ~a18~0 1)) (and (= ~a6~0 0) (= ~a5~0 1) (= ~a27~0 ~a6~0) (= ~a26~0 1) (= ~a3~0 0) (= ~a11~0 1) (= ~a12~0 ~a6~0))) [2020-10-28 10:13:58,135 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-28 10:13:58,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:13:58 BoogieIcfgContainer [2020-10-28 10:13:58,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:13:58,158 INFO L168 Benchmark]: Toolchain (without parser) took 54512.47 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 898.6 MB). Free memory was 127.3 MB in the beginning and 568.7 MB in the end (delta: -441.4 MB). Peak memory consumption was 641.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:13:58,159 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 113.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:13:58,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1215.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 102.4 MB in the end (delta: 24.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:13:58,161 INFO L168 Benchmark]: Boogie Preprocessor took 250.47 ms. Allocated memory is still 151.0 MB. Free memory was 102.4 MB in the beginning and 90.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:13:58,162 INFO L168 Benchmark]: RCFGBuilder took 2421.24 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 90.8 MB in the beginning and 101.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:13:58,162 INFO L168 Benchmark]: TraceAbstraction took 50613.87 ms. Allocated memory was 191.9 MB in the beginning and 1.0 GB in the end (delta: 857.7 MB). Free memory was 100.4 MB in the beginning and 568.7 MB in the end (delta: -468.3 MB). Peak memory consumption was 574.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:13:58,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 113.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1215.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 102.4 MB in the end (delta: 24.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 250.47 ms. Allocated memory is still 151.0 MB. Free memory was 102.4 MB in the beginning and 90.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2421.24 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 90.8 MB in the beginning and 101.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50613.87 ms. Allocated memory was 191.9 MB in the beginning and 1.0 GB in the end (delta: 857.7 MB). Free memory was 100.4 MB in the beginning and 568.7 MB in the end (delta: -468.3 MB). Peak memory consumption was 574.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 1660]: Loop Invariant Derived loop invariant: ((((((a27 == 1 || 1 <= a3) || (a12 <= 1 && 1 <= a12)) || !(\old(a27) == 1)) || !(1 <= \old(a3))) || (a6 <= 1 && 1 <= a6)) || !(a18 == 1)) || ((((((a6 == 0 && a5 == 1) && a27 == a6) && a26 == 1) && a3 == 0) && a11 == 1) && a12 == a6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.8s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 228 SDtfs, 2317 SDslu, 254 SDs, 0 SdLazy, 6588 SolverSat, 1051 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3409occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 107 PreInvPairs, 141 NumberOfFragments, 976 HoareAnnotationTreeSize, 107 FomulaSimplifications, 15830 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2843 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 25.1s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1003 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943813 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 110/115 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...