/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:45:27,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:45:27,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:45:27,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:45:27,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:45:27,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:45:27,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:45:27,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:45:27,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:45:27,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:45:27,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:45:27,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:45:27,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:45:27,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:45:27,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:45:27,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:45:27,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:45:27,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:45:27,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:45:27,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:45:27,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:45:27,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:45:27,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:45:27,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:45:27,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:45:27,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:45:27,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:45:27,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:45:27,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:45:28,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:45:28,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:45:28,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:45:28,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:45:28,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:45:28,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:45:28,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:45:28,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:45:28,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:45:28,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:45:28,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:45:28,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:45:28,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:45:28,073 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:45:28,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:45:28,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:45:28,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:45:28,079 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:45:28,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:45:28,080 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:45:28,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:45:28,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:45:28,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:45:28,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:45:28,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:45:28,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:45:28,083 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:45:28,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:45:28,083 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:45:28,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:45:28,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:45:28,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:45:28,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:45:28,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:45:28,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:28,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:45:28,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:45:28,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:45:28,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:45:28,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:45:28,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:45:28,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:45:28,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:45:28,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:45:28,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:45:28,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:45:28,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:45:28,592 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:45:28,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-10-29 04:45:28,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0273e1ba9/e7248c6ea2844b4f8e87b48b82829b40/FLAG3aea58267 [2020-10-29 04:45:29,541 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:45:29,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-10-29 04:45:29,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0273e1ba9/e7248c6ea2844b4f8e87b48b82829b40/FLAG3aea58267 [2020-10-29 04:45:29,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0273e1ba9/e7248c6ea2844b4f8e87b48b82829b40 [2020-10-29 04:45:29,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:45:29,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:45:29,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:29,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:45:29,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:45:29,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:29" (1/1) ... [2020-10-29 04:45:29,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da80bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:29, skipping insertion in model container [2020-10-29 04:45:29,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:29" (1/1) ... [2020-10-29 04:45:29,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:45:29,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:45:30,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:30,364 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:45:30,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:30,559 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:45:30,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30 WrapperNode [2020-10-29 04:45:30,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:30,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:45:30,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:45:30,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:45:30,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... [2020-10-29 04:45:30,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:45:30,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:45:30,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:45:30,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:45:30,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:45:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:45:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:45:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:45:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:45:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:45:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:45:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:45:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:45:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:45:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:45:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:45:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:45:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:45:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:45:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:45:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:45:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:45:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:45:32,252 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:45:32,252 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:45:32,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:32 BoogieIcfgContainer [2020-10-29 04:45:32,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:45:32,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:45:32,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:45:32,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:45:32,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:45:29" (1/3) ... [2020-10-29 04:45:32,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e419d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:32, skipping insertion in model container [2020-10-29 04:45:32,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:30" (2/3) ... [2020-10-29 04:45:32,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e419d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:32, skipping insertion in model container [2020-10-29 04:45:32,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:32" (3/3) ... [2020-10-29 04:45:32,265 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-10-29 04:45:32,277 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:45:32,283 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:45:32,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:45:32,330 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:45:32,330 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:45:32,330 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:45:32,330 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:45:32,330 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:45:32,331 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:45:32,331 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:45:32,331 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:45:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:45:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 04:45:32,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:32,370 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] [2020-10-29 04:45:32,371 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:32,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1780686751, now seen corresponding path program 1 times [2020-10-29 04:45:32,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:32,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354964737] [2020-10-29 04:45:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:32,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:35,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:35,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 04:45:35,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:45:35,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2336 [2020-10-29 04:45:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:35,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:45:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:45:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 04:45:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:45:35,323 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:35,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:35,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:35,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:35,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:35,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 04:45:35,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:35,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:45:35,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:35,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354964737] [2020-10-29 04:45:35,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:45:35,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:45:35,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604015365] [2020-10-29 04:45:35,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:45:35,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:35,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:45:35,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:45:35,439 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:45:35,600 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:37,500 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:45:37,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:37,504 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-10-29 04:45:37,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:37,520 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:45:37,520 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:45:37,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:37,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:45:37,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:45:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:45:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-29 04:45:37,621 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 116 [2020-10-29 04:45:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:37,624 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-29 04:45:37,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:45:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-29 04:45:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 04:45:37,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:37,631 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] [2020-10-29 04:45:37,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:45:37,632 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:37,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:37,633 INFO L82 PathProgramCache]: Analyzing trace with hash -266823614, now seen corresponding path program 1 times [2020-10-29 04:45:37,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:37,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648902333] [2020-10-29 04:45:37,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:37,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:37,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:40,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:42,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 04:45:42,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:45:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4330 [2020-10-29 04:45:42,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:42,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:45:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 04:45:42,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:42,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:42,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:42,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:42,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:42,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:45:42,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:42,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-29 04:45:42,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:42,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:42,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:45:42,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 04:45:42,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:42,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:45:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:42,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648902333] [2020-10-29 04:45:42,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:42,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:42,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716581447] [2020-10-29 04:45:42,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:42,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:42,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:42,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:42,472 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-29 04:45:42,730 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:44,272 INFO L93 Difference]: Finished difference Result 838 states and 1170 transitions. [2020-10-29 04:45:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:44,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-29 04:45:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:44,288 INFO L225 Difference]: With dead ends: 838 [2020-10-29 04:45:44,293 INFO L226 Difference]: Without dead ends: 563 [2020-10-29 04:45:44,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-29 04:45:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2020-10-29 04:45:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-29 04:45:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 733 transitions. [2020-10-29 04:45:44,365 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 733 transitions. Word has length 125 [2020-10-29 04:45:44,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:44,366 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 733 transitions. [2020-10-29 04:45:44,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 733 transitions. [2020-10-29 04:45:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-29 04:45:44,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:44,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:44,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:45:44,373 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:44,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:44,373 INFO L82 PathProgramCache]: Analyzing trace with hash -591301666, now seen corresponding path program 1 times [2020-10-29 04:45:44,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:44,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752825866] [2020-10-29 04:45:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:44,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:44,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:44,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 04:45:44,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:45:44,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-29 04:45:44,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:44,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 04:45:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 04:45:44,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:45,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:45,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:45,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:45,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:45,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:45,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:45,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:45,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:45,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:45,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:45,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:45:45,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:45,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:45:45,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:45,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:45,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:45:45,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:45,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752825866] [2020-10-29 04:45:45,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:45,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:45,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194504104] [2020-10-29 04:45:45,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:45,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:45,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:45,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:45,356 INFO L87 Difference]: Start difference. First operand 557 states and 733 transitions. Second operand 5 states. [2020-10-29 04:45:45,633 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 04:45:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:46,963 INFO L93 Difference]: Finished difference Result 1213 states and 1646 transitions. [2020-10-29 04:45:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:46,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-29 04:45:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:46,968 INFO L225 Difference]: With dead ends: 1213 [2020-10-29 04:45:46,968 INFO L226 Difference]: Without dead ends: 563 [2020-10-29 04:45:46,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:46,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-29 04:45:47,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2020-10-29 04:45:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-29 04:45:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 692 transitions. [2020-10-29 04:45:47,024 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 692 transitions. Word has length 127 [2020-10-29 04:45:47,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:47,024 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 692 transitions. [2020-10-29 04:45:47,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 692 transitions. [2020-10-29 04:45:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 04:45:47,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:47,032 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:47,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:45:47,032 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:47,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:47,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1649324184, now seen corresponding path program 1 times [2020-10-29 04:45:47,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:47,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38952312] [2020-10-29 04:45:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:47,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:48,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:48,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:48,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 04:45:48,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:45:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1862 [2020-10-29 04:45:48,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:48,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 04:45:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 04:45:48,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:49,113 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:49,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:49,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:45:49,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:49,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:49,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:49,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:45:49,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:45:49,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:49,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:49,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:49,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:45:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:49,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:49,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:49,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:45:49,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:49,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:45:49,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:49,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 04:45:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 04:45:49,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38952312] [2020-10-29 04:45:49,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:49,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:49,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96653608] [2020-10-29 04:45:49,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:49,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:49,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:49,254 INFO L87 Difference]: Start difference. First operand 557 states and 692 transitions. Second operand 5 states. [2020-10-29 04:45:50,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:50,841 INFO L93 Difference]: Finished difference Result 1525 states and 1948 transitions. [2020-10-29 04:45:50,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:50,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-29 04:45:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:50,848 INFO L225 Difference]: With dead ends: 1525 [2020-10-29 04:45:50,848 INFO L226 Difference]: Without dead ends: 974 [2020-10-29 04:45:50,850 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 [2020-10-29 04:45:50,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-10-29 04:45:50,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 970. [2020-10-29 04:45:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-10-29 04:45:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1183 transitions. [2020-10-29 04:45:50,891 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1183 transitions. Word has length 137 [2020-10-29 04:45:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:50,891 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 1183 transitions. [2020-10-29 04:45:50,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1183 transitions. [2020-10-29 04:45:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-29 04:45:50,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:50,896 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:50,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:45:50,896 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:50,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:50,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1647927237, now seen corresponding path program 1 times [2020-10-29 04:45:50,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:50,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985028079] [2020-10-29 04:45:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:50,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:50,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:53,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:55,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:55,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 04:45:55,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:45:55,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4233 [2020-10-29 04:45:55,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:55,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:45:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 04:45:55,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:55,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:55,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:55,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:55,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:55,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:55,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:45:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:55,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:55,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:45:55,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 04:45:55,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:55,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:45:55,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:55,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985028079] [2020-10-29 04:45:55,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:55,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:55,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035239948] [2020-10-29 04:45:55,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:55,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:55,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:55,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:55,485 INFO L87 Difference]: Start difference. First operand 970 states and 1183 transitions. Second operand 5 states. [2020-10-29 04:45:55,649 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:56,910 INFO L93 Difference]: Finished difference Result 2349 states and 2933 transitions. [2020-10-29 04:45:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:56,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-29 04:45:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:56,921 INFO L225 Difference]: With dead ends: 2349 [2020-10-29 04:45:56,921 INFO L226 Difference]: Without dead ends: 1385 [2020-10-29 04:45:56,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:56,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-29 04:45:56,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1381. [2020-10-29 04:45:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-10-29 04:45:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1676 transitions. [2020-10-29 04:45:56,987 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1676 transitions. Word has length 142 [2020-10-29 04:45:56,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:56,988 INFO L481 AbstractCegarLoop]: Abstraction has 1381 states and 1676 transitions. [2020-10-29 04:45:56,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1676 transitions. [2020-10-29 04:45:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-29 04:45:56,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:56,994 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-29 04:45:56,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:45:56,995 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:56,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:56,995 INFO L82 PathProgramCache]: Analyzing trace with hash 742059962, now seen corresponding path program 1 times [2020-10-29 04:45:56,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:56,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888546560] [2020-10-29 04:45:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:02,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:02,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 04:46:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:46:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 04:46:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:02,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 04:46:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 04:46:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:02,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:02,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:02,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:02,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:46:02,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:02,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:02,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:02,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:02,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 04:46:02,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:46:02,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:02,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 04:46:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:02,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:02,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:02,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:46:02,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 04:46:02,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:02,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:02,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 04:46:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:02,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:02,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 04:46:02,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 04:46:02,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:02,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 04:46:02,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-29 04:46:02,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888546560] [2020-10-29 04:46:02,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:02,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:02,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109545353] [2020-10-29 04:46:02,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:02,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:02,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:02,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:02,940 INFO L87 Difference]: Start difference. First operand 1381 states and 1676 transitions. Second operand 5 states. [2020-10-29 04:46:03,672 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 04:46:04,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:04,293 INFO L93 Difference]: Finished difference Result 2695 states and 3292 transitions. [2020-10-29 04:46:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:04,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2020-10-29 04:46:04,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:04,295 INFO L225 Difference]: With dead ends: 2695 [2020-10-29 04:46:04,295 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:46:04,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:04,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:46:04,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:46:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:46:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:46:04,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-10-29 04:46:04,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:04,303 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:46:04,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:46:04,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:46:04,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:46:04,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:46:05,469 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 67 [2020-10-29 04:46:05,847 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:46:05,847 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:46:05,847 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:46:05,848 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:46:05,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:46:05,848 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:46:05,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:46:05,848 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:46:05,849 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:46:05,850 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,851 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:46:05,852 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,853 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,854 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:46:05,854 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:46:05,854 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:46:05,854 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:46:05,854 INFO L270 CegarLoopResult]: At program point L505(line 505) the Hoare annotation is: (and (not (<= |old(~a8~0)| 13)) (or (not (<= 4 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a21~0)| 1)) (not (<= 1 |old(~a21~0)|)) (not (<= 1 |old(~a17~0)|)) (not (<= |old(~a16~0)| 4)) (not (<= |old(~a8~0)| 14)) (not (<= |old(~a17~0)| 1)) (not (<= 1 |old(~a20~0)|)) (not (= ~a12~0 8)) (not (<= |old(~a20~0)| 1))) (not (= 15 |old(~a8~0)|)) (not (= 0 |old(~a17~0)|))) [2020-10-29 04:46:05,854 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L505-1(line 505) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:46:05,855 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,856 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:46:05,857 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:46:05,858 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:46:05,859 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,860 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,861 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,862 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:46:05,863 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:46:05,864 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:46:05,865 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:46:05,866 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:46:05,866 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:46:05,866 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:46:05,866 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:46:05,866 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,866 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,867 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) (and (or .cse0 (not (= 0 |old(~a17~0)|))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or (not (<= 4 |old(~a16~0)|)) (and .cse1 .cse2 .cse4 (<= ~a16~0 4) .cse6 (<= 4 ~a16~0) (<= ~a21~0 1) (<= 1 ~a21~0)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a21~0)| 1)) (not (<= 1 |old(~a17~0)|)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a16~0)| 4)) (not (<= |old(~a8~0)| 14)) (not (<= |old(~a17~0)| 1)) (not (<= 1 |old(~a20~0)|)) (not (= ~a12~0 8)) (not (<= |old(~a20~0)| 1))) (or (not (<= |old(~a8~0)| 13)) .cse0)))) [2020-10-29 04:46:05,867 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,867 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,867 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,867 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:46:05,867 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:46:05,867 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:46:05,868 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:46:05,869 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:46:05,870 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:46:05,871 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:46:05,872 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:46:05,873 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:46:05,873 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:46:05,873 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:46:05,873 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:46:05,873 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:46:05,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:46:05,874 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (= 5 ~a16~0)) [2020-10-29 04:46:05,874 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:46:05,874 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:46:05,874 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|))) [2020-10-29 04:46:05,874 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:46:05,874 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (and (<= 1 ~a20~0) (<= 1 ~a17~0) (<= ~a8~0 14) (<= ~a16~0 4) (= ~a12~0 8) (<= 4 ~a16~0) (<= ~a7~0 0) (<= ~a21~0 1) (<= ~a20~0 1) (<= ~a17~0 1) (<= 1 ~a21~0)) (= ~a8~0 15) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (= ~a17~0 0) (<= ~a8~0 13)) [2020-10-29 04:46:05,874 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:46:05,875 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:46:05,875 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (and (<= 1 ~a20~0) (<= 1 ~a17~0) (<= ~a8~0 14) (<= ~a16~0 4) (= ~a12~0 8) (<= 4 ~a16~0) (<= ~a7~0 0) (<= ~a21~0 1) (<= ~a20~0 1) (<= ~a17~0 1) (<= 1 ~a21~0)) (= ~a8~0 15) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (= ~a17~0 0) (<= ~a8~0 13)) [2020-10-29 04:46:05,875 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:46:05,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:46:05 BoogieIcfgContainer [2020-10-29 04:46:05,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:46:05,899 INFO L168 Benchmark]: Toolchain (without parser) took 36115.23 ms. Allocated memory was 151.0 MB in the beginning and 760.2 MB in the end (delta: 609.2 MB). Free memory was 123.6 MB in the beginning and 619.8 MB in the end (delta: -496.1 MB). Peak memory consumption was 377.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:05,900 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:46:05,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.73 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 127.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:05,901 INFO L168 Benchmark]: Boogie Preprocessor took 123.33 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 122.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:05,902 INFO L168 Benchmark]: RCFGBuilder took 1568.44 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 99.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:05,903 INFO L168 Benchmark]: TraceAbstraction took 33639.85 ms. Allocated memory was 151.0 MB in the beginning and 760.2 MB in the end (delta: 609.2 MB). Free memory was 99.3 MB in the beginning and 619.8 MB in the end (delta: -520.4 MB). Peak memory consumption was 352.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:46:05,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 766.73 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 127.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.33 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 122.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1568.44 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 99.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33639.85 ms. Allocated memory was 151.0 MB in the beginning and 760.2 MB in the end (delta: 609.2 MB). Free memory was 99.3 MB in the beginning and 619.8 MB in the end (delta: -520.4 MB). Peak memory consumption was 352.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((((((((((1 <= a20 && 1 <= a17) && a8 <= 14) && a16 <= 4) && a12 == 8) && 4 <= a16) && a7 <= 0) && a21 <= 1) && a20 <= 1) && a17 <= 1) && 1 <= a21) || a8 == 15) || !(5 == \old(a16))) || !(15 == \old(a8))) || a17 == 0) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.9s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 151 SDtfs, 1333 SDslu, 115 SDs, 0 SdLazy, 3520 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 92 PreInvPairs, 116 NumberOfFragments, 430 HoareAnnotationTreeSize, 92 FomulaSimplifications, 13292 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1298 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 838 NumberOfCodeBlocks, 838 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 832 ConstructedInterpolants, 0 QuantifiedInterpolants, 1103268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 162/170 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...