/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:36:43,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:36:43,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:36:43,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:36:43,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:36:43,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:36:43,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:36:43,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:36:43,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:36:43,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:36:43,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:36:43,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:36:43,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:36:43,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:36:43,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:36:43,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:36:43,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:36:43,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:36:43,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:36:43,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:36:43,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:36:43,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:36:43,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:36:43,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:36:43,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:36:43,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:36:43,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:36:43,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:36:43,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:36:43,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:36:43,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:36:43,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:36:43,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:36:43,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:36:43,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:36:43,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:36:43,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:36:43,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:36:43,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:36:43,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:36:43,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:36:43,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:36:43,381 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:36:43,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:36:43,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:36:43,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:36:43,385 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:36:43,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:36:43,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:36:43,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:36:43,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:36:43,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:36:43,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:36:43,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:36:43,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:36:43,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:36:43,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:36:43,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:36:43,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:36:43,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:36:43,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:36:43,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:36:43,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:36:43,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:43,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:36:43,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:36:43,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:36:43,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:36:43,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:36:43,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:36:43,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:36:43,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:36:43,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:36:43,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:36:43,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:36:43,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:36:43,893 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:36:43,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-10-27 15:36:43,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e60ce54c/97ddcf1c1d8945d0bbed6da1e4ccd309/FLAGc5006ef5d [2020-10-27 15:36:44,694 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:36:44,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-10-27 15:36:44,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e60ce54c/97ddcf1c1d8945d0bbed6da1e4ccd309/FLAGc5006ef5d [2020-10-27 15:36:44,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e60ce54c/97ddcf1c1d8945d0bbed6da1e4ccd309 [2020-10-27 15:36:44,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:36:44,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:36:44,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:44,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:36:44,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:36:44,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:44" (1/1) ... [2020-10-27 15:36:44,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5d40e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:44, skipping insertion in model container [2020-10-27 15:36:44,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:44" (1/1) ... [2020-10-27 15:36:44,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:36:45,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:36:45,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:45,443 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:36:45,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:45,662 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:36:45,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45 WrapperNode [2020-10-27 15:36:45,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:45,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:36:45,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:36:45,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:36:45,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... [2020-10-27 15:36:45,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:36:45,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:36:45,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:36:45,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:36:45,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:36:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:36:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:36:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:36:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:36:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:36:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:36:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:36:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:36:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:36:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:36:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:36:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:36:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:36:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:36:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:36:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:36:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:36:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:36:47,816 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:36:47,816 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:36:47,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:47 BoogieIcfgContainer [2020-10-27 15:36:47,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:36:47,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:36:47,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:36:47,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:36:47,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:36:44" (1/3) ... [2020-10-27 15:36:47,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f37983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:47, skipping insertion in model container [2020-10-27 15:36:47,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:45" (2/3) ... [2020-10-27 15:36:47,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f37983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:47, skipping insertion in model container [2020-10-27 15:36:47,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:47" (3/3) ... [2020-10-27 15:36:47,829 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2020-10-27 15:36:47,842 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:36:47,848 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:36:47,868 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:36:47,924 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:36:47,925 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:36:47,925 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:36:47,925 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:36:47,925 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:36:47,925 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:36:47,926 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:36:47,926 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:36:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:36:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 15:36:47,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:47,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:47,992 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:48,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:48,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1024435101, now seen corresponding path program 1 times [2020-10-27 15:36:48,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:48,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970159681] [2020-10-27 15:36:48,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:49,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:50,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 15:36:50,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2059 [2020-10-27 15:36:50,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:36:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:36:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:36:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:36:51,132 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-10-27 15:36:51,363 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-27 15:36:51,556 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2020-10-27 15:36:51,733 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-10-27 15:36:51,886 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2020-10-27 15:36:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:52,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:52,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:52,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 15:36:52,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:36:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:52,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970159681] [2020-10-27 15:36:52,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:36:52,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:36:52,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867157986] [2020-10-27 15:36:52,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:36:52,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:52,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:36:52,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:36:52,406 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:36:52,629 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:36:52,844 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:36:53,038 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:36:53,233 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:36:53,659 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2020-10-27 15:36:54,126 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-27 15:36:54,973 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2020-10-27 15:36:55,642 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 106 [2020-10-27 15:36:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:57,029 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:36:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:36:57,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-10-27 15:36:57,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:57,056 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:36:57,057 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:36:57,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:36:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:36:57,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:36:57,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:36:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:36:57,177 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 134 [2020-10-27 15:36:57,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:57,177 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:36:57,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:36:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:36:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 15:36:57,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:57,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:57,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:36:57,183 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:57,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:57,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1429800836, now seen corresponding path program 1 times [2020-10-27 15:36:57,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:57,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965726343] [2020-10-27 15:36:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:57,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:57,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:59,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:59,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 15:36:59,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:59,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1854 [2020-10-27 15:36:59,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:36:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:36:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:36:59,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:59,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:59,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:59,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:36:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:59,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:59,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:59,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:36:59,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:59,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:36:59,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:36:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:59,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965726343] [2020-10-27 15:36:59,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:59,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:36:59,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553801282] [2020-10-27 15:36:59,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:36:59,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:59,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:36:59,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:36:59,717 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 12 states. [2020-10-27 15:36:59,945 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 15:37:00,125 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 15:37:00,440 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 15:37:01,267 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 15:37:01,562 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 15:37:02,052 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 15:37:02,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:02,737 INFO L93 Difference]: Finished difference Result 551 states and 796 transitions. [2020-10-27 15:37:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 15:37:02,738 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2020-10-27 15:37:02,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:02,746 INFO L225 Difference]: With dead ends: 551 [2020-10-27 15:37:02,746 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:37:02,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-27 15:37:02,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:37:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:37:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:37:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 309 transitions. [2020-10-27 15:37:02,796 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 309 transitions. Word has length 143 [2020-10-27 15:37:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:02,797 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 309 transitions. [2020-10-27 15:37:02,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:37:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 309 transitions. [2020-10-27 15:37:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 15:37:02,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:02,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:02,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:37:02,801 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:02,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:02,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1426501708, now seen corresponding path program 1 times [2020-10-27 15:37:02,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:02,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806525432] [2020-10-27 15:37:02,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:02,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:02,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:03,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:04,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:04,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 15:37:04,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:04,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1603 [2020-10-27 15:37:04,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:37:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 15:37:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 15:37:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:04,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:04,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:04,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:04,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:04,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:04,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:37:04,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:04,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:04,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:37:04,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:05,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:05,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:05,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:37:05,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:05,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:05,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 15:37:05,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:37:05,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806525432] [2020-10-27 15:37:05,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:05,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:37:05,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294352001] [2020-10-27 15:37:05,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:37:05,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:05,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:37:05,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:37:05,172 INFO L87 Difference]: Start difference. First operand 234 states and 309 transitions. Second operand 12 states. [2020-10-27 15:37:05,425 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:37:05,577 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 15:37:05,896 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 15:37:06,124 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 15:37:06,768 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 15:37:07,243 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:37:07,810 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 15:37:08,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:08,138 INFO L93 Difference]: Finished difference Result 556 states and 774 transitions. [2020-10-27 15:37:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 15:37:08,138 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 147 [2020-10-27 15:37:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:08,143 INFO L225 Difference]: With dead ends: 556 [2020-10-27 15:37:08,144 INFO L226 Difference]: Without dead ends: 328 [2020-10-27 15:37:08,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-27 15:37:08,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-27 15:37:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 319. [2020-10-27 15:37:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-27 15:37:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 398 transitions. [2020-10-27 15:37:08,194 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 398 transitions. Word has length 147 [2020-10-27 15:37:08,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:08,195 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 398 transitions. [2020-10-27 15:37:08,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:37:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 398 transitions. [2020-10-27 15:37:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-27 15:37:08,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:08,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:08,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:37:08,205 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:08,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:08,207 INFO L82 PathProgramCache]: Analyzing trace with hash -88672699, now seen corresponding path program 1 times [2020-10-27 15:37:08,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:08,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806540006] [2020-10-27 15:37:08,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:08,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:08,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:08,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 15:37:08,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:37:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 645 [2020-10-27 15:37:08,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 15:37:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-27 15:37:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:09,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:09,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:09,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:09,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:09,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:37:09,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:09,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:09,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:37:09,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:09,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:09,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:09,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:09,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:09,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:37:09,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:37:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:09,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:09,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:09,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:09,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:37:09,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:09,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:09,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:37:09,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:37:09,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806540006] [2020-10-27 15:37:09,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:09,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:37:09,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18668462] [2020-10-27 15:37:09,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:37:09,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:09,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:37:09,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:09,271 INFO L87 Difference]: Start difference. First operand 319 states and 398 transitions. Second operand 6 states. [2020-10-27 15:37:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:10,929 INFO L93 Difference]: Finished difference Result 786 states and 1019 transitions. [2020-10-27 15:37:10,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:10,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2020-10-27 15:37:10,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:10,938 INFO L225 Difference]: With dead ends: 786 [2020-10-27 15:37:10,938 INFO L226 Difference]: Without dead ends: 473 [2020-10-27 15:37:10,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:37:10,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-27 15:37:10,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 468. [2020-10-27 15:37:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-27 15:37:10,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 606 transitions. [2020-10-27 15:37:10,977 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 606 transitions. Word has length 169 [2020-10-27 15:37:10,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:10,979 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 606 transitions. [2020-10-27 15:37:10,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:37:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 606 transitions. [2020-10-27 15:37:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 15:37:10,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:10,983 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:10,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:37:10,983 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:10,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:10,985 INFO L82 PathProgramCache]: Analyzing trace with hash 197910440, now seen corresponding path program 1 times [2020-10-27 15:37:10,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:10,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092321010] [2020-10-27 15:37:10,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:11,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:11,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:11,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 15:37:12,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-27 15:37:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 15:37:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 15:37:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:12,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:12,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:12,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:12,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:12,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:12,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:37:12,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:12,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:12,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:37:12,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:12,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:37:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:12,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:12,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:12,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:37:12,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:12,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 15:37:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:12,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:12,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:37:12,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:37:12,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:37:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-27 15:37:12,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092321010] [2020-10-27 15:37:12,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:12,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:12,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463612058] [2020-10-27 15:37:12,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:12,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:12,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:12,646 INFO L87 Difference]: Start difference. First operand 468 states and 606 transitions. Second operand 5 states. [2020-10-27 15:37:13,147 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:37:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:14,306 INFO L93 Difference]: Finished difference Result 1030 states and 1378 transitions. [2020-10-27 15:37:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:14,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-27 15:37:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:14,311 INFO L225 Difference]: With dead ends: 1030 [2020-10-27 15:37:14,312 INFO L226 Difference]: Without dead ends: 471 [2020-10-27 15:37:14,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:14,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-10-27 15:37:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 468. [2020-10-27 15:37:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-27 15:37:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 604 transitions. [2020-10-27 15:37:14,340 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 604 transitions. Word has length 184 [2020-10-27 15:37:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:14,340 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 604 transitions. [2020-10-27 15:37:14,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 604 transitions. [2020-10-27 15:37:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 15:37:14,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:14,344 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:14,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:37:14,345 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:14,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1164632017, now seen corresponding path program 1 times [2020-10-27 15:37:14,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:14,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965103477] [2020-10-27 15:37:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:14,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:17,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2904 [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 15:37:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 15:37:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:17,967 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-10-27 15:37:18,138 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-10-27 15:37:18,269 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2020-10-27 15:37:18,393 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2020-10-27 15:37:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:18,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:18,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:18,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:18,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:18,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:37:18,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:18,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:18,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:18,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:18,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:18,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:18,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:18,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:18,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:18,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:37:18,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:18,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:37:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:18,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:18,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:18,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:18,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:37:18,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:18,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:18,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 15:37:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:18,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:18,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:18,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 15:37:18,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:37:18,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 15:37:18,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 15:37:18,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965103477] [2020-10-27 15:37:18,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:18,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:37:18,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484770564] [2020-10-27 15:37:18,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:37:18,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:18,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:37:18,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:37:18,847 INFO L87 Difference]: Start difference. First operand 468 states and 604 transitions. Second operand 12 states. [2020-10-27 15:37:19,570 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 15:37:19,751 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 15:37:20,871 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2020-10-27 15:37:21,266 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2020-10-27 15:37:21,752 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2020-10-27 15:37:22,173 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2020-10-27 15:37:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:22,609 INFO L93 Difference]: Finished difference Result 1011 states and 1353 transitions. [2020-10-27 15:37:22,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 15:37:22,610 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2020-10-27 15:37:22,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:22,614 INFO L225 Difference]: With dead ends: 1011 [2020-10-27 15:37:22,614 INFO L226 Difference]: Without dead ends: 549 [2020-10-27 15:37:22,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-27 15:37:22,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-27 15:37:22,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 546. [2020-10-27 15:37:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-10-27 15:37:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 689 transitions. [2020-10-27 15:37:22,642 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 689 transitions. Word has length 192 [2020-10-27 15:37:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:22,643 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 689 transitions. [2020-10-27 15:37:22,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:37:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 689 transitions. [2020-10-27 15:37:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-27 15:37:22,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:22,648 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:22,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:37:22,649 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:22,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:22,649 INFO L82 PathProgramCache]: Analyzing trace with hash -521149038, now seen corresponding path program 1 times [2020-10-27 15:37:22,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:22,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960373609] [2020-10-27 15:37:22,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:22,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:22,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:23,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:24,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:24,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-27 15:37:24,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:24,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1863 [2020-10-27 15:37:24,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 15:37:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 15:37:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 15:37:24,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:24,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:24,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:24,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:24,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:37:24,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:24,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:24,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:24,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:24,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:37:24,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:24,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:37:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:24,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:24,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:24,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:24,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:24,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:37:24,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:24,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:24,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 15:37:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:25,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:25,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 15:37:25,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:25,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 15:37:25,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:25,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 15:37:25,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:25,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 15:37:25,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 104 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 15:37:25,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960373609] [2020-10-27 15:37:25,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:25,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:37:25,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455394386] [2020-10-27 15:37:25,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:37:25,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:25,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:37:25,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:25,396 INFO L87 Difference]: Start difference. First operand 546 states and 689 transitions. Second operand 6 states. [2020-10-27 15:37:25,806 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:37:26,937 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:37:27,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:27,878 INFO L93 Difference]: Finished difference Result 1205 states and 1558 transitions. [2020-10-27 15:37:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:37:27,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2020-10-27 15:37:27,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:27,881 INFO L225 Difference]: With dead ends: 1205 [2020-10-27 15:37:27,881 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:37:27,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:37:27,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:37:27,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:37:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:37:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:37:27,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-10-27 15:37:27,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:27,885 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:37:27,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:37:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:37:27,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:37:27,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:37:27,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:37:28,287 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 38 [2020-10-27 15:37:28,430 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2020-10-27 15:37:28,604 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-27 15:37:29,500 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 90 [2020-10-27 15:37:29,756 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-10-27 15:37:29,986 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-10-27 15:37:30,216 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2020-10-27 15:37:30,221 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:37:30,221 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:37:30,222 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:37:30,222 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:37:30,222 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:37:30,223 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:37:30,224 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:37:30,225 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,226 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:37:30,227 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,228 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:37:30,229 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:37:30,230 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,231 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:37:30,232 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:37:30,233 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:37:30,234 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:37:30,235 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:37:30,236 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,237 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:37:30,238 INFO L270 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse6 (= |old(~a25~0)| 1))) (let ((.cse0 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse2 (not .cse6)) (.cse5 (not (= 7 |old(~a17~0)|))) (.cse3 (not (= |old(~a19~0)| 1))) (.cse4 (not (= 11 |old(~a28~0)|))) (.cse1 (not (= ~a21~0 1)))) (and (or .cse0 (not (<= |old(~a17~0)| 8)) (not (<= |old(~a28~0)| 11)) (not (<= |old(~a25~0)| 0)) .cse1 (not (< 7 |old(~a17~0)|)) (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0))) (not (<= |old(~a28~0)| 10)) (or .cse0 .cse2 .cse3 .cse4 (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) .cse1) (or .cse5 .cse3 .cse4 .cse6 (not (= |old(~a11~0)| |old(~a19~0)|)) .cse1) (or .cse2 .cse5 .cse3 .cse4 (not (= 0 |old(~a11~0)|)) .cse1)))) [2020-10-27 15:37:30,239 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:37:30,239 INFO L274 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-10-27 15:37:30,239 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:37:30,239 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse7 (= |old(~a25~0)| 1))) (let ((.cse4 (not (= 7 |old(~a17~0)|))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse11 (not .cse7)) (.cse5 (not (= |old(~a19~0)| 1))) (.cse6 (not (= 11 |old(~a28~0)|))) (.cse9 (= ~a19~0 1)) (.cse12 (= ~a25~0 1)) (.cse10 (= ~a28~0 11)) (.cse13 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse8 (not (= ~a21~0 1)))) (and (or (not (<= |old(~a28~0)| 10)) (and (= ~a28~0 |old(~a28~0)|) .cse0 .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse7 (not (= |old(~a11~0)| |old(~a19~0)|)) .cse8 (and .cse0 .cse1 .cse9 .cse2 .cse10)) (or .cse11 .cse4 .cse5 .cse6 (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse9 .cse12 .cse10) .cse8) (or .cse13 .cse11 .cse5 .cse6 (not (= 8 |old(~a17~0)|)) (and .cse1 .cse9 (= ~a17~0 8) .cse12 .cse10) (= |old(~a11~0)| 1) .cse8) (or .cse13 (not (<= |old(~a17~0)| 8)) (and (<= ~a28~0 11) .cse1 .cse2 (<= ~a17~0 8) (< 7 ~a17~0) (< 10 ~a28~0) .cse3) (not (<= |old(~a28~0)| 11)) (not (< 10 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) .cse8 (not (< 7 |old(~a17~0)|)) (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0)))))) [2020-10-27 15:37:30,239 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,240 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:37:30,241 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,242 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:37:30,243 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:37:30,244 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:37:30,245 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:37:30,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:37:30,245 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-27 15:37:30,245 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:37:30,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:37:30,245 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0)) (.cse1 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse3 (= ~a28~0 11))) (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a11~0 0) (<= ~a19~0 0) (<= ~a28~0 11) (<= 8 ~a17~0) (<= ~a17~0 8) (<= ~a25~0 0)) (and .cse0 .cse1 .cse2 (= ~a11~0 0) .cse3) (not (= ~a21~0 1)) (and .cse0 .cse1 (= ~a11~0 ~a19~0) .cse3 (not .cse2)) (not (= 7 |old(~a28~0)|)) (<= ~a28~0 10) (and .cse1 (= ~a17~0 8) .cse2 (not (= ~a11~0 1)) .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:37:30,246 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:37:30,246 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:37:30,246 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:37:30,246 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= 7 ~a17~0)) (.cse0 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1))) (.cse2 (= ~a19~0 1)) (.cse3 (= ~a25~0 1)) (.cse4 (= ~a28~0 11))) (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 (<= ~a11~0 0) (<= ~a19~0 0) (<= ~a28~0 11) (<= 8 ~a17~0) (<= ~a17~0 8) (<= ~a25~0 0)) (and .cse1 .cse2 .cse3 (= ~a11~0 0) .cse4) (not (= ~a21~0 1)) (and .cse1 .cse2 (= ~a11~0 ~a19~0) .cse4 (not .cse3)) (not (= 7 |old(~a28~0)|)) (<= ~a28~0 10) (and .cse0 .cse2 (= ~a17~0 8) .cse3 (not (= ~a11~0 1)) .cse4) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:37:30,246 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:37:30,246 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:37:30,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:37:30 BoogieIcfgContainer [2020-10-27 15:37:30,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:37:30,270 INFO L168 Benchmark]: Toolchain (without parser) took 45346.34 ms. Allocated memory was 157.3 MB in the beginning and 587.2 MB in the end (delta: 429.9 MB). Free memory was 129.6 MB in the beginning and 260.2 MB in the end (delta: -130.6 MB). Peak memory consumption was 347.6 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:30,271 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 157.3 MB. Free memory is still 130.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:37:30,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.87 ms. Allocated memory is still 157.3 MB. Free memory was 128.8 MB in the beginning and 103.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:30,272 INFO L168 Benchmark]: Boogie Preprocessor took 145.39 ms. Allocated memory is still 157.3 MB. Free memory was 103.0 MB in the beginning and 98.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:30,273 INFO L168 Benchmark]: RCFGBuilder took 2009.12 ms. Allocated memory was 157.3 MB in the beginning and 195.0 MB in the end (delta: 37.7 MB). Free memory was 98.1 MB in the beginning and 170.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:30,274 INFO L168 Benchmark]: TraceAbstraction took 42446.94 ms. Allocated memory was 195.0 MB in the beginning and 587.2 MB in the end (delta: 392.2 MB). Free memory was 169.9 MB in the beginning and 260.2 MB in the end (delta: -90.3 MB). Peak memory consumption was 349.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:30,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 157.3 MB. Free memory is still 130.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 729.87 ms. Allocated memory is still 157.3 MB. Free memory was 128.8 MB in the beginning and 103.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.39 ms. Allocated memory is still 157.3 MB. Free memory was 103.0 MB in the beginning and 98.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2009.12 ms. Allocated memory was 157.3 MB in the beginning and 195.0 MB in the end (delta: 37.7 MB). Free memory was 98.1 MB in the beginning and 170.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42446.94 ms. Allocated memory was 195.0 MB in the beginning and 587.2 MB in the end (delta: 392.2 MB). Free memory was 169.9 MB in the beginning and 260.2 MB in the end (delta: -90.3 MB). Peak memory consumption was 349.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((!(\old(a19) == 1) || !(0 == \old(a11))) || !(8 == \old(a17))) || (((((a11 <= 0 && a19 <= 0) && a28 <= 11) && 8 <= a17) && a17 <= 8) && a25 <= 0)) || ((((7 == a17 && a19 == 1) && a25 == 1) && a11 == 0) && a28 == 11)) || !(a21 == 1)) || ((((7 == a17 && a19 == 1) && a11 == a19) && a28 == 11) && !(a25 == 1))) || !(7 == \old(a28))) || a28 <= 10) || ((((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 11)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.9s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 2849 SDslu, 407 SDs, 0 SdLazy, 6893 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 53 SyntacticMatches, 4 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 26 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 73 PreInvPairs, 92 NumberOfFragments, 759 HoareAnnotationTreeSize, 73 FomulaSimplifications, 27971 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1185 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 1215 NumberOfCodeBlocks, 1215 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1208 ConstructedInterpolants, 0 QuantifiedInterpolants, 2693128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 373/386 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...