/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=DEEPEST --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/Problem02_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:37:28,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:37:28,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:37:28,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:37:28,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:37:28,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:37:28,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:37:28,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:37:28,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:37:28,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:37:28,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:37:28,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:37:28,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:37:28,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:37:28,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:37:28,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:37:28,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:37:28,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:37:28,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:37:28,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:37:28,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:37:28,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:37:28,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:37:28,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:37:28,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:37:28,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:37:28,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:37:28,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:37:28,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:37:28,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:37:28,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:37:28,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:37:28,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:37:28,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:37:28,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:37:28,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:37:28,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:37:28,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:37:28,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:37:28,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:37:28,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:37:28,957 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 [2020-10-27 15:37:28,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:37:28,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:37:28,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:37:28,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:37:28,987 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:37:28,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:37:28,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:37:28,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:37:28,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:37:28,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:37:28,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:37:28,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:37:28,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:37:28,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:37:28,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:37:28,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:37:28,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:37:28,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:37:28,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:37:28,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:37:28,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:37:28,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:37:28,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:37:28,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:37:28,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:37:28,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:37:28,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:37:28,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:37:28,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:37:28,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:37:29,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:37:29,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:37:29,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:37:29,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:37:29,417 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:37:29,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-10-27 15:37:29,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27670b6f4/44f085ce9a784c07b06a5e898e0e9204/FLAG09491c288 [2020-10-27 15:37:30,390 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:37:30,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-10-27 15:37:30,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27670b6f4/44f085ce9a784c07b06a5e898e0e9204/FLAG09491c288 [2020-10-27 15:37:30,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27670b6f4/44f085ce9a784c07b06a5e898e0e9204 [2020-10-27 15:37:30,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:37:30,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:37:30,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:37:30,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:37:30,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:37:30,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:37:30" (1/1) ... [2020-10-27 15:37:30,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b3ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:30, skipping insertion in model container [2020-10-27 15:37:30,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:37:30" (1/1) ... [2020-10-27 15:37:30,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:37:30,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:37:31,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:37:31,208 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:37:31,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:37:31,338 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:37:31,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31 WrapperNode [2020-10-27 15:37:31,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:37:31,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:37:31,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:37:31,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:37:31,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (1/1) ... [2020-10-27 15:37:31,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:37:31,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:37:31,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:37:31,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:37:31,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (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 [2020-10-27 15:37:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:37:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:37:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:37:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:37:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:37:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:37:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:37:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:37:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:37:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:37:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:37:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:37:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:37:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:37:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:37:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:37:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:37:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:37:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:37:32,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:37:32,981 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:37:32,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:37:32 BoogieIcfgContainer [2020-10-27 15:37:32,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:37:32,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:37:32,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:37:32,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:37:32,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:37:30" (1/3) ... [2020-10-27 15:37:32,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b88652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:37:32, skipping insertion in model container [2020-10-27 15:37:32,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:31" (2/3) ... [2020-10-27 15:37:32,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b88652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:37:32, skipping insertion in model container [2020-10-27 15:37:32,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:37:32" (3/3) ... [2020-10-27 15:37:32,993 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label32.c [2020-10-27 15:37:33,006 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:37:33,012 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:37:33,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:37:33,059 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:37:33,059 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:37:33,059 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:37:33,059 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:37:33,059 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:37:33,060 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:37:33,060 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:37:33,060 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:37:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:37:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 15:37:33,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:33,101 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] [2020-10-27 15:37:33,101 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:33,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1831200597, now seen corresponding path program 1 times [2020-10-27 15:37:33,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:33,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588826775] [2020-10-27 15:37:33,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:33,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:33,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:35,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:35,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 15:37:35,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:37:35,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2096 [2020-10-27 15:37:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:37:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:37:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:37:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:37:36,120 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2020-10-27 15:37:36,297 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-10-27 15:37:36,507 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2020-10-27 15:37:36,703 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2020-10-27 15:37:36,885 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-10-27 15:37:37,040 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-10-27 15:37:37,164 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:37:37,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:37,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:37,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 15:37:37,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:37:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:37:37,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588826775] [2020-10-27 15:37:37,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:37:37,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:37:37,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183608730] [2020-10-27 15:37:37,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:37:37,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:37,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:37:37,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:37:37,412 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:37:37,617 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 15:37:37,825 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:37:38,021 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:37:38,253 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 15:37:38,750 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2020-10-27 15:37:39,232 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 116 [2020-10-27 15:37:40,082 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 112 [2020-10-27 15:37:40,793 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2020-10-27 15:37:41,125 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-10-27 15:37:42,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:42,174 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:37:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:37:42,178 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 116 [2020-10-27 15:37:42,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:42,193 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:37:42,193 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:37:42,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:37:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:37:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:37:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:37:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:37:42,282 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 116 [2020-10-27 15:37:42,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:42,283 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:37:42,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:37:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:37:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 15:37:42,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:42,288 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] [2020-10-27 15:37:42,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:37:42,288 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:42,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:42,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1567226380, now seen corresponding path program 1 times [2020-10-27 15:37:42,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:42,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210475599] [2020-10-27 15:37:42,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:42,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 15:37:44,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1765 [2020-10-27 15:37:44,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:37:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 15:37:44,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:44,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:44,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:44,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:44,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:44,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:44,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:37:44,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:44,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:44,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:44,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:44,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:37:44,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:44,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:37:44,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:44,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:44,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:44,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:37:44,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:37:44,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210475599] [2020-10-27 15:37:44,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:44,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:44,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040020351] [2020-10-27 15:37:44,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:44,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:44,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:44,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:44,526 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 5 states. [2020-10-27 15:37:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:46,141 INFO L93 Difference]: Finished difference Result 616 states and 880 transitions. [2020-10-27 15:37:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:46,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-27 15:37:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:46,156 INFO L225 Difference]: With dead ends: 616 [2020-10-27 15:37:46,156 INFO L226 Difference]: Without dead ends: 388 [2020-10-27 15:37:46,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-27 15:37:46,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 385. [2020-10-27 15:37:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-10-27 15:37:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 528 transitions. [2020-10-27 15:37:46,218 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 528 transitions. Word has length 125 [2020-10-27 15:37:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:46,219 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 528 transitions. [2020-10-27 15:37:46,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 528 transitions. [2020-10-27 15:37:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 15:37:46,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:46,223 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-27 15:37:46,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:37:46,224 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:46,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:46,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1804855099, now seen corresponding path program 1 times [2020-10-27 15:37:46,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:46,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252022015] [2020-10-27 15:37:46,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:46,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:46,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:46,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:48,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:48,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 15:37:48,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:37:48,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2286 [2020-10-27 15:37:48,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:48,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:48,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 15:37:48,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 15:37:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:48,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:48,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:48,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:48,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:48,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:48,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:37:48,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:48,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:37:48,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:37:48,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:37:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:48,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:48,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:48,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:48,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:48,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:37:48,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:37:48,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:37:49,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252022015] [2020-10-27 15:37:49,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:49,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:49,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754536431] [2020-10-27 15:37:49,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:49,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:49,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:49,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:49,104 INFO L87 Difference]: Start difference. First operand 385 states and 528 transitions. Second operand 5 states. [2020-10-27 15:37:49,455 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 15:37:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:50,826 INFO L93 Difference]: Finished difference Result 856 states and 1224 transitions. [2020-10-27 15:37:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:50,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-27 15:37:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:50,831 INFO L225 Difference]: With dead ends: 856 [2020-10-27 15:37:50,831 INFO L226 Difference]: Without dead ends: 388 [2020-10-27 15:37:50,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:50,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-27 15:37:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 385. [2020-10-27 15:37:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-10-27 15:37:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 526 transitions. [2020-10-27 15:37:50,859 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 526 transitions. Word has length 147 [2020-10-27 15:37:50,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:50,859 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 526 transitions. [2020-10-27 15:37:50,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 526 transitions. [2020-10-27 15:37:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 15:37:50,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:50,862 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-27 15:37:50,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:37:50,863 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:50,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1608036174, now seen corresponding path program 1 times [2020-10-27 15:37:50,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:50,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367163491] [2020-10-27 15:37:50,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:50,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:50,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:54,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:55,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:55,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 15:37:55,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:37:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 15:37:55,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:55,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:37:55,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 15:37:55,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 15:37:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:56,474 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-10-27 15:37:56,601 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-10-27 15:37:56,724 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2020-10-27 15:37:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:56,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:56,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:56,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:56,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:37:56,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:37:57,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:37:57,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:57,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:57,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:37:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 15:37:57,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:37:57,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 15:37:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:37:57,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367163491] [2020-10-27 15:37:57,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:57,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:37:57,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921569084] [2020-10-27 15:37:57,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:37:57,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:57,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:37:57,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:37:57,229 INFO L87 Difference]: Start difference. First operand 385 states and 526 transitions. Second operand 12 states. [2020-10-27 15:37:57,729 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 15:37:57,933 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 15:37:59,201 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2020-10-27 15:37:59,649 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2020-10-27 15:38:00,210 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2020-10-27 15:38:00,658 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2020-10-27 15:38:01,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:01,027 INFO L93 Difference]: Finished difference Result 845 states and 1206 transitions. [2020-10-27 15:38:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 15:38:01,028 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 148 [2020-10-27 15:38:01,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:01,032 INFO L225 Difference]: With dead ends: 845 [2020-10-27 15:38:01,032 INFO L226 Difference]: Without dead ends: 466 [2020-10-27 15:38:01,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-27 15:38:01,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-27 15:38:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 463. [2020-10-27 15:38:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-27 15:38:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 611 transitions. [2020-10-27 15:38:01,060 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 611 transitions. Word has length 148 [2020-10-27 15:38:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:01,061 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 611 transitions. [2020-10-27 15:38:01,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:38:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 611 transitions. [2020-10-27 15:38:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 15:38:01,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:01,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-27 15:38:01,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:38:01,065 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:01,065 INFO L82 PathProgramCache]: Analyzing trace with hash -474459367, now seen corresponding path program 1 times [2020-10-27 15:38:01,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:01,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561483270] [2020-10-27 15:38:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:01,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:01,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:01,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:01,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 15:38:02,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:38:02,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1535 [2020-10-27 15:38:02,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-27 15:38:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 15:38:02,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:02,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:38:02,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:02,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:02,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:02,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:02,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:38:02,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 15:38:02,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:02,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 15:38:02,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:38:02,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561483270] [2020-10-27 15:38:02,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:02,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:02,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242287996] [2020-10-27 15:38:02,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:02,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:02,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:02,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:02,986 INFO L87 Difference]: Start difference. First operand 463 states and 611 transitions. Second operand 5 states. [2020-10-27 15:38:03,142 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 15:38:04,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:04,716 INFO L93 Difference]: Finished difference Result 1215 states and 1659 transitions. [2020-10-27 15:38:04,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:04,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-27 15:38:04,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:04,723 INFO L225 Difference]: With dead ends: 1215 [2020-10-27 15:38:04,724 INFO L226 Difference]: Without dead ends: 758 [2020-10-27 15:38:04,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-10-27 15:38:04,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 754. [2020-10-27 15:38:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-27 15:38:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1008 transitions. [2020-10-27 15:38:04,781 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1008 transitions. Word has length 153 [2020-10-27 15:38:04,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:04,782 INFO L481 AbstractCegarLoop]: Abstraction has 754 states and 1008 transitions. [2020-10-27 15:38:04,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1008 transitions. [2020-10-27 15:38:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 15:38:04,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:04,787 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:38:04,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:38:04,787 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:04,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:04,788 INFO L82 PathProgramCache]: Analyzing trace with hash -961831014, now seen corresponding path program 1 times [2020-10-27 15:38:04,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:04,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567815779] [2020-10-27 15:38:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:04,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:04,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:05,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:06,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:08,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-27 15:38:08,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:38:08,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3504 [2020-10-27 15:38:08,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-27 15:38:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 15:38:08,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:08,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:08,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:08,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:08,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:38:08,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:08,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:08,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:08,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:08,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:08,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 15:38:08,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 15:38:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:08,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:38:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 15:38:08,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567815779] [2020-10-27 15:38:08,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:08,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:08,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132192259] [2020-10-27 15:38:08,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:08,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:08,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:08,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:08,848 INFO L87 Difference]: Start difference. First operand 754 states and 1008 transitions. Second operand 5 states. [2020-10-27 15:38:09,497 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:38:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:10,461 INFO L93 Difference]: Finished difference Result 1593 states and 2186 transitions. [2020-10-27 15:38:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:10,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-10-27 15:38:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:10,470 INFO L225 Difference]: With dead ends: 1593 [2020-10-27 15:38:10,470 INFO L226 Difference]: Without dead ends: 757 [2020-10-27 15:38:10,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-10-27 15:38:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 754. [2020-10-27 15:38:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-27 15:38:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1000 transitions. [2020-10-27 15:38:10,511 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1000 transitions. Word has length 183 [2020-10-27 15:38:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:10,512 INFO L481 AbstractCegarLoop]: Abstraction has 754 states and 1000 transitions. [2020-10-27 15:38:10,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1000 transitions. [2020-10-27 15:38:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 15:38:10,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:10,518 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:38:10,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:38:10,519 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:10,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:10,520 INFO L82 PathProgramCache]: Analyzing trace with hash -922120555, now seen corresponding path program 1 times [2020-10-27 15:38:10,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:10,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728874186] [2020-10-27 15:38:10,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:11,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:11,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:11,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:12,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 15:38:14,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:38:14,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3829 [2020-10-27 15:38:14,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 15:38:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 15:38:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:14,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:14,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:14,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:38:14,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:14,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:14,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:14,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:14,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:14,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:14,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:14,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:14,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 15:38:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:14,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:14,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:14,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:38:14,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:14,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 15:38:14,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-27 15:38:14,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728874186] [2020-10-27 15:38:14,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:14,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:38:14,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758284273] [2020-10-27 15:38:14,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:38:14,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:14,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:38:14,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:14,757 INFO L87 Difference]: Start difference. First operand 754 states and 1000 transitions. Second operand 6 states. [2020-10-27 15:38:14,894 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 15:38:15,154 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 15:38:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:17,331 INFO L93 Difference]: Finished difference Result 2232 states and 3044 transitions. [2020-10-27 15:38:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:38:17,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2020-10-27 15:38:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:17,337 INFO L225 Difference]: With dead ends: 2232 [2020-10-27 15:38:17,337 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:38:17,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:38:17,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:38:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:38:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:38:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:38:17,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2020-10-27 15:38:17,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:17,344 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:38:17,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:38:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:38:17,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:38:17,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:38:17,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:38:17,797 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 37 [2020-10-27 15:38:17,925 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 37 [2020-10-27 15:38:18,161 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-10-27 15:38:18,676 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 34 [2020-10-27 15:38:18,983 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:38:18,983 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:38:18,983 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:38:18,983 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:38:18,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:18,984 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)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:38:18,984 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:38:18,986 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,987 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,988 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,988 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:38:18,988 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:38:18,988 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:38:18,988 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:38:18,988 INFO L270 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (and (not (= 8 |old(~a17~0)|)) (or (= 8 |old(~a28~0)|) (not (<= |old(~a19~0)| 1)) (not (<= 1 |old(~a19~0)|))) (not (<= 9 |old(~a28~0)|))) [2020-10-27 15:38:18,989 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:38:18,989 INFO L274 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-10-27 15:38:18,989 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,990 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:38:18,992 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:18,993 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:18,994 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:38:18,994 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,994 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,994 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,995 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,995 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,995 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:18,995 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,996 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,998 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:38:18,999 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:38:19,000 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:38:19,001 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:38:19,001 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:38:19,001 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:38:19,001 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:38:19,002 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:38:19,003 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,004 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:38:19,005 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:38:19,006 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3 .cse4))) (and (or (= 8 |old(~a28~0)|) (not (<= |old(~a19~0)| 1)) .cse0 (not (<= 1 |old(~a19~0)|))) (or (and .cse1 .cse2 .cse3 (= ~a17~0 8) .cse4) (not (= 8 |old(~a17~0)|))) (or .cse0 (not (<= 9 |old(~a28~0)|)))))) [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:38:19,007 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:38:19,008 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,009 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:38:19,010 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:19,011 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:38:19,012 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:38:19,012 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:38:19,012 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:38:19,012 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:19,012 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (= ~a11~0 0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= 1 ~a19~0)) [2020-10-27 15:38:19,012 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:38:19,012 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:19,012 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (not (= ~a28~0 8)) (<= ~a19~0 1) (<= 1 ~a19~0)) (not (= |old(~a19~0)| 1)) (<= 9 ~a28~0) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1))) [2020-10-27 15:38:19,013 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1))) [2020-10-27 15:38:19,013 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:19,013 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:19,013 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (not (= ~a28~0 8)) (<= ~a19~0 1) (<= 1 ~a19~0)) (not (= |old(~a19~0)| 1)) (<= 9 ~a28~0) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1))) [2020-10-27 15:38:19,013 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:38:19,013 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:38:19,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:38:19 BoogieIcfgContainer [2020-10-27 15:38:19,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:38:19,043 INFO L168 Benchmark]: Toolchain (without parser) took 48422.61 ms. Allocated memory was 155.2 MB in the beginning and 729.8 MB in the end (delta: 574.6 MB). Free memory was 129.5 MB in the beginning and 626.9 MB in the end (delta: -497.4 MB). Peak memory consumption was 434.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:19,043 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:38:19,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.25 ms. Allocated memory is still 155.2 MB. Free memory was 128.7 MB in the beginning and 103.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:19,045 INFO L168 Benchmark]: Boogie Preprocessor took 170.77 ms. Allocated memory is still 155.2 MB. Free memory was 103.1 MB in the beginning and 98.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:19,050 INFO L168 Benchmark]: RCFGBuilder took 1467.54 ms. Allocated memory is still 155.2 MB. Free memory was 98.1 MB in the beginning and 121.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:19,056 INFO L168 Benchmark]: TraceAbstraction took 46053.46 ms. Allocated memory was 155.2 MB in the beginning and 729.8 MB in the end (delta: 574.6 MB). Free memory was 121.1 MB in the beginning and 626.9 MB in the end (delta: -505.8 MB). Peak memory consumption was 425.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:19,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 715.25 ms. Allocated memory is still 155.2 MB. Free memory was 128.7 MB in the beginning and 103.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 170.77 ms. Allocated memory is still 155.2 MB. Free memory was 103.1 MB in the beginning and 98.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1467.54 ms. Allocated memory is still 155.2 MB. Free memory was 98.1 MB in the beginning and 121.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46053.46 ms. Allocated memory was 155.2 MB in the beginning and 729.8 MB in the end (delta: 574.6 MB). Free memory was 121.1 MB in the beginning and 626.9 MB in the end (delta: -505.8 MB). Peak memory consumption was 425.3 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: 608]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || ((!(a28 == 8) && a19 <= 1) && 1 <= a19)) || !(\old(a19) == 1)) || 9 <= a28) || !(0 == \old(a11))) || a17 == 8) || !(8 == \old(a17))) || !(0 == \old(a25))) || !(7 <= \old(a28))) || !(a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 241 SDtfs, 2703 SDslu, 291 SDs, 0 SdLazy, 5640 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 55 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=754occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 19 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 91 PreInvPairs, 119 NumberOfFragments, 344 HoareAnnotationTreeSize, 91 FomulaSimplifications, 30456 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2034 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 1090 NumberOfCodeBlocks, 1090 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1083 ConstructedInterpolants, 0 QuantifiedInterpolants, 1806786 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 350/363 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...