/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:18:45,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:18:45,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:18:45,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:18:45,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:18:45,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:18:45,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:18:45,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:18:45,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:18:45,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:18:45,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:18:45,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:18:45,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:18:45,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:18:45,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:18:45,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:18:45,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:18:45,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:18:45,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:18:45,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:18:45,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:18:45,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:18:45,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:18:45,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:18:45,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:18:45,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:18:45,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:18:45,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:18:45,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:18:45,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:18:45,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:18:45,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:18:45,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:18:45,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:18:45,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:18:45,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:18:45,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:18:45,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:18:45,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:18:45,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:18:45,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:18:45,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:18:45,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:18:45,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:18:45,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:18:45,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:18:45,955 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:18:45,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:18:45,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:18:45,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:18:45,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:18:45,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:18:45,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:18:45,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:18:45,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:18:45,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:18:45,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:18:45,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:18:45,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:18:45,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:18:45,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:18:45,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:18:45,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:18:45,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:18:45,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:18:45,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:18:45,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:18:45,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:18:45,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:18:45,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:18:45,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:18:45,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:18:46,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:18:46,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:18:46,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:18:46,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:18:46,393 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:18:46,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label40.c [2020-10-28 10:18:46,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/538b4763b/f5fe34a05b1741e9808ecfca7767e870/FLAGdf8eedfb5 [2020-10-28 10:18:47,453 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:18:47,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label40.c [2020-10-28 10:18:47,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/538b4763b/f5fe34a05b1741e9808ecfca7767e870/FLAGdf8eedfb5 [2020-10-28 10:18:47,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/538b4763b/f5fe34a05b1741e9808ecfca7767e870 [2020-10-28 10:18:47,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:18:47,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:18:47,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:18:47,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:18:47,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:18:47,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:18:47" (1/1) ... [2020-10-28 10:18:47,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb1fdfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:47, skipping insertion in model container [2020-10-28 10:18:47,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:18:47" (1/1) ... [2020-10-28 10:18:47,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:18:47,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:18:48,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:18:48,616 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:18:48,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:18:48,977 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:18:48,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48 WrapperNode [2020-10-28 10:18:48,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:18:48,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:18:48,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:18:48,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:18:48,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:48,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:49,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:49,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:49,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:49,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:49,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... [2020-10-28 10:18:49,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:18:49,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:18:49,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:18:49,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:18:49,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:18:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:18:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:18:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:18:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:18:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:18:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:18:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:18:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:18:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:18:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:18:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:18:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:18:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:18:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:18:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:18:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:18:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:18:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:18:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:18:51,832 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:18:51,833 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:18:51,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:18:51 BoogieIcfgContainer [2020-10-28 10:18:51,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:18:51,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:18:51,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:18:51,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:18:51,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:18:47" (1/3) ... [2020-10-28 10:18:51,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e0cbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:18:51, skipping insertion in model container [2020-10-28 10:18:51,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:48" (2/3) ... [2020-10-28 10:18:51,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e0cbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:18:51, skipping insertion in model container [2020-10-28 10:18:51,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:18:51" (3/3) ... [2020-10-28 10:18:51,845 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label40.c [2020-10-28 10:18:51,858 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:18:51,864 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:18:51,879 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:18:51,926 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:18:51,926 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:18:51,926 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:18:51,926 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:18:51,927 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:18:51,927 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:18:51,927 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:18:51,927 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:18:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-28 10:18:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 10:18:51,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:51,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:51,974 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:51,981 INFO L82 PathProgramCache]: Analyzing trace with hash 462655524, now seen corresponding path program 1 times [2020-10-28 10:18:51,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:51,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980760268] [2020-10-28 10:18:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:53,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:57,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:57,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-28 10:18:57,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:18:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-28 10:18:57,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:57,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:57,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:18:57,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:18:57,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-10-28 10:18:57,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:18:57,949 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:57,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:58,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 10:18:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:58,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:18:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:18:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:18:58,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980760268] [2020-10-28 10:18:58,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:18:58,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:18:58,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075072759] [2020-10-28 10:18:58,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:18:58,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:58,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:18:58,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:18:58,172 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-28 10:18:58,439 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:02,060 INFO L93 Difference]: Finished difference Result 889 states and 1542 transitions. [2020-10-28 10:19:02,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:02,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2020-10-28 10:19:02,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:02,081 INFO L225 Difference]: With dead ends: 889 [2020-10-28 10:19:02,081 INFO L226 Difference]: Without dead ends: 481 [2020-10-28 10:19:02,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:02,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-28 10:19:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 476. [2020-10-28 10:19:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-28 10:19:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 729 transitions. [2020-10-28 10:19:02,199 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 729 transitions. Word has length 191 [2020-10-28 10:19:02,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:02,200 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 729 transitions. [2020-10-28 10:19:02,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:19:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 729 transitions. [2020-10-28 10:19:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-28 10:19:02,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:02,210 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:02,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:19:02,211 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:02,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:02,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1581013971, now seen corresponding path program 1 times [2020-10-28 10:19:02,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:02,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209473070] [2020-10-28 10:19:02,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:02,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:04,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-28 10:19:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3325 [2020-10-28 10:19:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:05,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:19:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-28 10:19:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:19:06,050 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:06,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:06,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:06,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:06,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 10:19:06,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:06,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:06,220 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:19:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:06,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:06,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:19:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:19:06,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:06,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:19:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:06,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209473070] [2020-10-28 10:19:06,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:06,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:06,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302491964] [2020-10-28 10:19:06,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:06,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:06,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:06,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:06,364 INFO L87 Difference]: Start difference. First operand 476 states and 729 transitions. Second operand 5 states. [2020-10-28 10:19:06,728 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:09,858 INFO L93 Difference]: Finished difference Result 1373 states and 2132 transitions. [2020-10-28 10:19:09,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:09,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-10-28 10:19:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:09,878 INFO L225 Difference]: With dead ends: 1373 [2020-10-28 10:19:09,879 INFO L226 Difference]: Without dead ends: 903 [2020-10-28 10:19:09,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:09,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2020-10-28 10:19:09,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 896. [2020-10-28 10:19:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-10-28 10:19:09,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1223 transitions. [2020-10-28 10:19:09,994 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1223 transitions. Word has length 200 [2020-10-28 10:19:09,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:09,995 INFO L481 AbstractCegarLoop]: Abstraction has 896 states and 1223 transitions. [2020-10-28 10:19:09,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1223 transitions. [2020-10-28 10:19:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-28 10:19:10,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:10,007 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:10,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:19:10,008 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:10,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1461004337, now seen corresponding path program 1 times [2020-10-28 10:19:10,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:10,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001356186] [2020-10-28 10:19:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:10,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:12,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:12,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:12,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 10:19:12,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2867 [2020-10-28 10:19:12,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:12,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:12,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 10:19:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-28 10:19:12,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:19:13,328 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:13,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:13,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:13,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:19:13,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:13,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:13,490 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:19:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:13,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:13,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:13,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 10:19:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 10:19:13,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:13,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 10:19:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:13,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001356186] [2020-10-28 10:19:13,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:13,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:13,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240467356] [2020-10-28 10:19:13,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:13,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:13,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:13,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:13,740 INFO L87 Difference]: Start difference. First operand 896 states and 1223 transitions. Second operand 5 states. [2020-10-28 10:19:14,107 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:17,583 INFO L93 Difference]: Finished difference Result 2652 states and 3683 transitions. [2020-10-28 10:19:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:17,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-28 10:19:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:17,597 INFO L225 Difference]: With dead ends: 2652 [2020-10-28 10:19:17,597 INFO L226 Difference]: Without dead ends: 1762 [2020-10-28 10:19:17,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2020-10-28 10:19:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1740. [2020-10-28 10:19:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1740 states. [2020-10-28 10:19:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2376 transitions. [2020-10-28 10:19:17,680 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2376 transitions. Word has length 209 [2020-10-28 10:19:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:17,681 INFO L481 AbstractCegarLoop]: Abstraction has 1740 states and 2376 transitions. [2020-10-28 10:19:17,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2376 transitions. [2020-10-28 10:19:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-28 10:19:17,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:17,690 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:17,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:19:17,691 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:17,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1031555417, now seen corresponding path program 1 times [2020-10-28 10:19:17,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:17,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289802155] [2020-10-28 10:19:17,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:17,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:18,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:19,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:20,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:20,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-28 10:19:20,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2480 [2020-10-28 10:19:20,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:20,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 10:19:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-28 10:19:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:20,656 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:20,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:20,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:20,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:19:20,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:20,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:20,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:20,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:20,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 10:19:20,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:20,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 10:19:20,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:20,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 10:19:20,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:20,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289802155] [2020-10-28 10:19:20,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:20,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:20,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87496019] [2020-10-28 10:19:20,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:20,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:20,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:20,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:20,968 INFO L87 Difference]: Start difference. First operand 1740 states and 2376 transitions. Second operand 5 states. [2020-10-28 10:19:21,346 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:24,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:24,673 INFO L93 Difference]: Finished difference Result 4317 states and 6132 transitions. [2020-10-28 10:19:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:24,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2020-10-28 10:19:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:24,691 INFO L225 Difference]: With dead ends: 4317 [2020-10-28 10:19:24,691 INFO L226 Difference]: Without dead ends: 2583 [2020-10-28 10:19:24,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2583 states. [2020-10-28 10:19:24,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2583 to 2576. [2020-10-28 10:19:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2576 states. [2020-10-28 10:19:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3624 transitions. [2020-10-28 10:19:24,808 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3624 transitions. Word has length 210 [2020-10-28 10:19:24,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:24,809 INFO L481 AbstractCegarLoop]: Abstraction has 2576 states and 3624 transitions. [2020-10-28 10:19:24,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3624 transitions. [2020-10-28 10:19:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-28 10:19:24,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:24,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:24,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:19:24,820 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:24,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:24,821 INFO L82 PathProgramCache]: Analyzing trace with hash -580716420, now seen corresponding path program 1 times [2020-10-28 10:19:24,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:24,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893267306] [2020-10-28 10:19:24,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:24,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:25,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:27,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-28 10:19:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:19:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4068 [2020-10-28 10:19:28,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:28,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 10:19:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-28 10:19:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:29,339 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:29,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:29,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:29,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:19:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:29,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:29,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:29,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 10:19:29,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:29,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 10:19:29,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:29,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 10:19:29,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:29,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893267306] [2020-10-28 10:19:29,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:29,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:29,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704906682] [2020-10-28 10:19:29,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:29,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:29,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:29,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:29,734 INFO L87 Difference]: Start difference. First operand 2576 states and 3624 transitions. Second operand 5 states. [2020-10-28 10:19:30,091 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:33,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:33,550 INFO L93 Difference]: Finished difference Result 7679 states and 11075 transitions. [2020-10-28 10:19:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:33,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2020-10-28 10:19:33,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:33,589 INFO L225 Difference]: With dead ends: 7679 [2020-10-28 10:19:33,589 INFO L226 Difference]: Without dead ends: 5109 [2020-10-28 10:19:33,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2020-10-28 10:19:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5087. [2020-10-28 10:19:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5087 states. [2020-10-28 10:19:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 7248 transitions. [2020-10-28 10:19:33,800 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 7248 transitions. Word has length 227 [2020-10-28 10:19:33,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:33,801 INFO L481 AbstractCegarLoop]: Abstraction has 5087 states and 7248 transitions. [2020-10-28 10:19:33,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 7248 transitions. [2020-10-28 10:19:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-28 10:19:33,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:33,822 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:33,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:19:33,823 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:33,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:33,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1323466056, now seen corresponding path program 1 times [2020-10-28 10:19:33,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:33,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955129566] [2020-10-28 10:19:33,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:33,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:34,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:36,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:38,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-28 10:19:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:19:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-28 10:19:38,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:38,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-28 10:19:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-28 10:19:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:39,376 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:39,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:39,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:39,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:39,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:19:39,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:39,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:39,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:39,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:39,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:39,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:39,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 10:19:39,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 10:19:39,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:39,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:39,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:19:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:39,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:39,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 10:19:39,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:39,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-28 10:19:39,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:39,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:39,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 10:19:39,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-28 10:19:40,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955129566] [2020-10-28 10:19:40,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:40,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:19:40,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558817216] [2020-10-28 10:19:40,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:19:40,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:40,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:19:40,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:40,195 INFO L87 Difference]: Start difference. First operand 5087 states and 7248 transitions. Second operand 6 states. [2020-10-28 10:19:40,446 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 10:19:40,853 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 10:19:45,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:45,517 INFO L93 Difference]: Finished difference Result 18337 states and 26947 transitions. [2020-10-28 10:19:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:19:45,525 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2020-10-28 10:19:45,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:45,618 INFO L225 Difference]: With dead ends: 18337 [2020-10-28 10:19:45,618 INFO L226 Difference]: Without dead ends: 13256 [2020-10-28 10:19:45,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:19:45,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13256 states. [2020-10-28 10:19:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13256 to 12622. [2020-10-28 10:19:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12622 states. [2020-10-28 10:19:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12622 states to 12622 states and 17941 transitions. [2020-10-28 10:19:46,194 INFO L78 Accepts]: Start accepts. Automaton has 12622 states and 17941 transitions. Word has length 265 [2020-10-28 10:19:46,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:46,194 INFO L481 AbstractCegarLoop]: Abstraction has 12622 states and 17941 transitions. [2020-10-28 10:19:46,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:19:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 12622 states and 17941 transitions. [2020-10-28 10:19:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-28 10:19:46,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:46,249 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:46,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:19:46,249 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:46,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:46,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1274719867, now seen corresponding path program 1 times [2020-10-28 10:19:46,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:46,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381161198] [2020-10-28 10:19:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:46,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:46,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:46,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:51,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-28 10:19:51,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:19:51,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-28 10:19:51,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:51,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:19:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 10:19:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 10:19:51,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:51,733 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:51,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:51,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:51,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 10:19:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:51,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:51,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 10:19:51,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:19:51,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:51,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 10:19:51,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:51,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 10:19:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:51,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:52,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:52,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 10:19:52,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:19:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 10:19:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:52,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 10:19:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 10:19:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:52,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:52,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 10:19:52,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:52,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-28 10:19:52,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:52,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:52,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:19:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-28 10:19:52,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 166 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 10:19:52,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381161198] [2020-10-28 10:19:52,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:52,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:19:52,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008254116] [2020-10-28 10:19:52,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:19:52,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:52,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:19:52,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:19:52,689 INFO L87 Difference]: Start difference. First operand 12622 states and 17941 transitions. Second operand 7 states. [2020-10-28 10:19:52,979 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:55,396 INFO L93 Difference]: Finished difference Result 22704 states and 32328 transitions. [2020-10-28 10:19:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 10:19:55,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 330 [2020-10-28 10:19:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:55,398 INFO L225 Difference]: With dead ends: 22704 [2020-10-28 10:19:55,398 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:19:55,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:19:55,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:19:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:19:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:19:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:19:55,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 330 [2020-10-28 10:19:55,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:55,455 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:19:55,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:19:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:19:55,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:19:55,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:19:55,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:19:56,836 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 24 [2020-10-28 10:19:57,112 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 24 [2020-10-28 10:19:57,540 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 100 [2020-10-28 10:19:59,493 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 276 DAG size of output: 114 [2020-10-28 10:19:59,801 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:59,907 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-10-28 10:20:00,175 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-10-28 10:20:00,181 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:20:00,181 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:20:00,181 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:20:00,181 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:20:00,182 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:20:00,182 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:20:00,182 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:20:00,182 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,183 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,184 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,185 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,186 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-28 10:20:00,187 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,188 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,189 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,190 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:20:00,191 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:20:00,192 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,193 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-28 10:20:00,194 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,195 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,196 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,197 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,197 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a26~0 |old(~a26~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a6~0 |old(~a6~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|)) (.cse6 (= ~a29~0 |old(~a29~0)|)) (.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a0~0 |old(~a0~0)|)) (.cse10 (= ~a3~0 |old(~a3~0)|)) (.cse11 (= ~a9~0 |old(~a9~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a5~0 |old(~a5~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse17 (= ~a2~0 |old(~a2~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (= ~a14~0 |old(~a14~0)|)) (.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= ~a23~0 |old(~a23~0)|)) (.cse22 (= ~a12~0 |old(~a12~0)|)) (.cse23 (= ~a15~0 |old(~a15~0)|)) (.cse24 (= ~a13~0 |old(~a13~0)|)) (.cse25 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a20~0 |old(~a20~0)|)) (.cse27 (= ~a22~0 |old(~a22~0)|)) (.cse28 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (not (= |old(~a5~0)| 1))) (.cse29 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 (= ~a27~0 |old(~a27~0)|)))) (and (or .cse0 (not (= 0 |old(~a27~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (= ~a27~0 0) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28)) (or .cse0 .cse29 (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|)))) (or .cse0 .cse29 (not (= |old(~a26~0)| 1))) (or .cse0 .cse29 (not (= 2 |old(~a3~0)|))) (or .cse0 .cse29 (not (= |old(~a3~0)| 0)))))) [2020-10-28 10:20:00,197 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-28 10:20:00,198 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:20:00,199 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:20:00,200 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,201 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,202 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,203 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,203 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,203 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,203 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,203 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,203 INFO L270 CegarLoopResult]: At program point L1589(line 1589) the Hoare annotation is: (let ((.cse0 (not (= |old(~a5~0)| 1)))) (and (or .cse0 (not (= |old(~a3~0)| 0))) (or .cse0 (not (= 2 |old(~a3~0)|))) (or .cse0 (not (= 0 |old(~a27~0)|))) (or .cse0 (not (= |old(~a26~0)| 1))) (or .cse0 (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|)))))) [2020-10-28 10:20:00,203 INFO L274 CegarLoopResult]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,204 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,205 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-28 10:20:00,206 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,207 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,208 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-28 10:20:00,209 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,210 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-28 10:20:00,211 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,212 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,213 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:20:00,214 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,215 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-28 10:20:00,216 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,217 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,218 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,219 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:20:00,220 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a5~0 1) (or (<= ~a12~0 0) (< 1 ~a12~0)) (= ~a11~0 0)) [2020-10-28 10:20:00,221 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:20:00,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:20:00,221 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-28 10:20:00,221 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (not (= |old(~a5~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= 0 |old(~a11~0)|)) (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|)))) [2020-10-28 10:20:00,221 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (not (= |old(~a5~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|))) (and .cse0 (or (<= ~a12~0 0) (< 1 ~a12~0))) (and .cse0 (= 2 ~a3~0)) (and .cse0 (= ~a3~0 0)) (and .cse0 (= ~a27~0 0)) (and .cse0 (= ~a26~0 1)))) [2020-10-28 10:20:00,222 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:20:00,222 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:20:00,222 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (not (= |old(~a5~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|))) (and .cse0 (or (<= ~a12~0 0) (< 1 ~a12~0))) (and .cse0 (= 2 ~a3~0)) (and .cse0 (= ~a3~0 0)) (and .cse0 (= ~a27~0 0)) (and .cse0 (= ~a26~0 1)))) [2020-10-28 10:20:00,222 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-28 10:20:00,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:20:00 BoogieIcfgContainer [2020-10-28 10:20:00,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:20:00,247 INFO L168 Benchmark]: Toolchain (without parser) took 72708.82 ms. Allocated memory was 154.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 124.0 MB in the beginning and 813.6 MB in the end (delta: -689.6 MB). Peak memory consumption was 770.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:00,248 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 154.1 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:20:00,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.96 ms. Allocated memory is still 154.1 MB. Free memory was 123.2 MB in the beginning and 91.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:00,249 INFO L168 Benchmark]: Boogie Preprocessor took 203.30 ms. Allocated memory is still 154.1 MB. Free memory was 91.4 MB in the beginning and 79.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:00,250 INFO L168 Benchmark]: RCFGBuilder took 2651.47 ms. Allocated memory was 154.1 MB in the beginning and 208.7 MB in the end (delta: 54.5 MB). Free memory was 79.8 MB in the beginning and 91.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 56.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:00,251 INFO L168 Benchmark]: TraceAbstraction took 68408.16 ms. Allocated memory was 208.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 91.7 MB in the beginning and 813.6 MB in the end (delta: -721.9 MB). Peak memory consumption was 682.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:00,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 154.1 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1429.96 ms. Allocated memory is still 154.1 MB. Free memory was 123.2 MB in the beginning and 91.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 203.30 ms. Allocated memory is still 154.1 MB. Free memory was 91.4 MB in the beginning and 79.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2651.47 ms. Allocated memory was 154.1 MB in the beginning and 208.7 MB in the end (delta: 54.5 MB). Free memory was 79.8 MB in the beginning and 91.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 56.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 68408.16 ms. Allocated memory was 208.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 91.7 MB in the beginning and 813.6 MB in the end (delta: -721.9 MB). Peak memory consumption was 682.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((!(\old(a5) == 1) || !(0 == \old(a11))) || (!(\old(a12) <= 0) && !(1 < \old(a12)))) || (a5 == \old(a5) && (a12 <= 0 || 1 < a12))) || (a5 == \old(a5) && 2 == a3)) || (a5 == \old(a5) && a3 == 0)) || (a5 == \old(a5) && a27 == 0)) || (a5 == \old(a5) && a26 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.5s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 27.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 2859 SDslu, 334 SDs, 0 SdLazy, 9580 SolverSat, 1256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12622occurred 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: 1.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 697 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 333 PreInvPairs, 431 NumberOfFragments, 935 HoareAnnotationTreeSize, 333 FomulaSimplifications, 72969 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9939 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 33.0s InterpolantComputationTime, 1632 NumberOfCodeBlocks, 1632 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1625 ConstructedInterpolants, 0 QuantifiedInterpolants, 1693256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 355/365 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...