/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/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:05:04,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:05:04,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:05:04,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:05:04,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:05:04,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:05:04,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:05:04,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:05:04,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:05:04,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:05:04,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:05:04,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:05:04,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:05:04,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:05:04,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:05:04,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:05:04,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:05:04,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:05:04,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:05:04,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:05:04,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:05:04,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:05:04,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:05:04,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:05:04,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:05:04,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:05:04,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:05:04,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:05:04,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:05:04,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:05:04,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:05:04,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:05:04,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:05:04,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:05:04,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:05:04,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:05:04,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:05:04,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:05:04,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:05:04,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:05:04,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:05:04,876 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 10:05:04,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:05:04,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:05:04,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:05:04,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:05:04,929 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:05:04,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:05:04,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:05:04,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:05:04,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:05:04,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:05:04,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:05:04,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:05:04,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:05:04,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:05:04,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:05:04,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:05:04,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:05:04,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:05:04,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:05:04,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:05:04,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:05:04,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:05:04,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:05:04,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:05:04,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:05:04,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:05:04,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:05:04,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:05:04,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:05:04,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:05:05,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:05:05,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:05:05,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:05:05,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:05:05,405 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:05:05,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-10-28 10:05:05,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d1d53fdb/35cba987b8e545c4b0b2bc95007b5736/FLAG020d35f07 [2020-10-28 10:05:06,216 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:05:06,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-10-28 10:05:06,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d1d53fdb/35cba987b8e545c4b0b2bc95007b5736/FLAG020d35f07 [2020-10-28 10:05:06,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d1d53fdb/35cba987b8e545c4b0b2bc95007b5736 [2020-10-28 10:05:06,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:05:06,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:05:06,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:05:06,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:05:06,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:05:06,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:05:06" (1/1) ... [2020-10-28 10:05:06,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd71d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:06, skipping insertion in model container [2020-10-28 10:05:06,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:05:06" (1/1) ... [2020-10-28 10:05:06,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:05:06,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:05:07,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:05:07,026 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:05:07,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:05:07,186 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:05:07,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07 WrapperNode [2020-10-28 10:05:07,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:05:07,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:05:07,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:05:07,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:05:07,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (1/1) ... [2020-10-28 10:05:07,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:05:07,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:05:07,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:05:07,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:05:07,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (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 10:05:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:05:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:05:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:05:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:05:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:05:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:05:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:05:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:05:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:05:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:05:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:05:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:05:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:05:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:05:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:05:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:05:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:05:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:05:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:05:08,720 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:05:08,720 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:05:08,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:05:08 BoogieIcfgContainer [2020-10-28 10:05:08,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:05:08,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:05:08,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:05:08,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:05:08,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:05:06" (1/3) ... [2020-10-28 10:05:08,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2786c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:05:08, skipping insertion in model container [2020-10-28 10:05:08,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:07" (2/3) ... [2020-10-28 10:05:08,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2786c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:05:08, skipping insertion in model container [2020-10-28 10:05:08,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:05:08" (3/3) ... [2020-10-28 10:05:08,732 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-10-28 10:05:08,745 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:05:08,751 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:05:08,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:05:08,791 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:05:08,791 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:05:08,792 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:05:08,792 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:05:08,792 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:05:08,792 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:05:08,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:05:08,792 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:05:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:05:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 10:05:08,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:08,835 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] [2020-10-28 10:05:08,835 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:08,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:08,842 INFO L82 PathProgramCache]: Analyzing trace with hash -145079389, now seen corresponding path program 1 times [2020-10-28 10:05:08,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:08,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7013348] [2020-10-28 10:05:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:11,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:11,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 10:05:11,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:05:11,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2309 [2020-10-28 10:05:11,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:11,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:11,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:05:11,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:05:11,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 10:05:11,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:05:11,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:11,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:11,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:11,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:05:11,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:11,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:05:11,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:11,854 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 10:05:11,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7013348] [2020-10-28 10:05:11,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:05:11,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:05:11,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286855383] [2020-10-28 10:05:11,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:05:11,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:11,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:05:11,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:05:11,883 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:05:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:13,612 INFO L93 Difference]: Finished difference Result 562 states and 961 transitions. [2020-10-28 10:05:13,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:13,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-10-28 10:05:13,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:13,631 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:05:13,631 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:05:13,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:13,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:05:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2020-10-28 10:05:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-28 10:05:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2020-10-28 10:05:13,744 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 131 [2020-10-28 10:05:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:13,745 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2020-10-28 10:05:13,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:05:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2020-10-28 10:05:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 10:05:13,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:13,752 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:05:13,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:05:13,753 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:13,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1916265531, now seen corresponding path program 1 times [2020-10-28 10:05:13,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:13,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928930523] [2020-10-28 10:05:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:14,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:14,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:15,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:15,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 10:05:15,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:05:15,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1669 [2020-10-28 10:05:15,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:15,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:05:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:05:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 10:05:15,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:15,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:15,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:15,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:15,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 10:05:15,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:15,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:15,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:15,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:15,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:15,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:15,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:15,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:15,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:05:15,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:15,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:05:15,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:15,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:15,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:15,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:05:15,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:05:15,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928930523] [2020-10-28 10:05:15,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:15,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:05:15,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906403000] [2020-10-28 10:05:15,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:15,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:15,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:15,838 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 5 states. [2020-10-28 10:05:17,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:17,339 INFO L93 Difference]: Finished difference Result 838 states and 1189 transitions. [2020-10-28 10:05:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:17,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-28 10:05:17,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:17,351 INFO L225 Difference]: With dead ends: 838 [2020-10-28 10:05:17,351 INFO L226 Difference]: Without dead ends: 561 [2020-10-28 10:05:17,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:05:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-28 10:05:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 557. [2020-10-28 10:05:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-28 10:05:17,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 750 transitions. [2020-10-28 10:05:17,401 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 750 transitions. Word has length 139 [2020-10-28 10:05:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:17,402 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 750 transitions. [2020-10-28 10:05:17,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 750 transitions. [2020-10-28 10:05:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-28 10:05:17,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:17,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:05:17,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:05:17,411 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:17,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:17,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1459098368, now seen corresponding path program 1 times [2020-10-28 10:05:17,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:17,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677773148] [2020-10-28 10:05:17,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:17,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:17,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:19,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:20,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 10:05:20,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:05:20,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2784 [2020-10-28 10:05:20,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:20,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:05:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:05:20,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-28 10:05:20,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:05:20,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:20,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:20,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:20,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:05:20,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:20,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:20,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:20,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:05:20,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:20,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:05:20,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:20,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:05:20,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:05:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:20,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:20,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:05:20,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:05:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 10:05:20,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:20,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:05:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:05:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:05:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:05:20,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677773148] [2020-10-28 10:05:20,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:20,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:05:20,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059304848] [2020-10-28 10:05:20,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:05:20,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:20,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:05:20,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:05:20,641 INFO L87 Difference]: Start difference. First operand 557 states and 750 transitions. Second operand 7 states. [2020-10-28 10:05:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:22,813 INFO L93 Difference]: Finished difference Result 1700 states and 2392 transitions. [2020-10-28 10:05:22,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 10:05:22,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-28 10:05:22,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:22,826 INFO L225 Difference]: With dead ends: 1700 [2020-10-28 10:05:22,826 INFO L226 Difference]: Without dead ends: 1149 [2020-10-28 10:05:22,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 10:05:22,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2020-10-28 10:05:22,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1125. [2020-10-28 10:05:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1125 states. [2020-10-28 10:05:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1474 transitions. [2020-10-28 10:05:22,910 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1474 transitions. Word has length 162 [2020-10-28 10:05:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:22,911 INFO L481 AbstractCegarLoop]: Abstraction has 1125 states and 1474 transitions. [2020-10-28 10:05:22,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:05:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1474 transitions. [2020-10-28 10:05:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 10:05:22,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:22,927 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:05:22,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:05:22,927 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:22,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:22,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1974285000, now seen corresponding path program 1 times [2020-10-28 10:05:22,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:22,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556975705] [2020-10-28 10:05:22,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:22,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:23,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:24,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:24,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 10:05:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:05:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1766 [2020-10-28 10:05:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:24,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:05:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 10:05:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 10:05:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:24,975 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:05:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:24,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:24,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:24,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:24,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:24,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:05:24,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:24,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:24,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:24,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:25,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:25,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:25,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:25,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 10:05:25,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:05:25,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:25,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:25,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 10:05:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:25,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:25,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:25,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:05:25,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:05:25,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:25,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:25,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:25,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 10:05:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:25,161 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 10:05:25,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556975705] [2020-10-28 10:05:25,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:25,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:05:25,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227604815] [2020-10-28 10:05:25,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:25,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:25,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:25,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:25,165 INFO L87 Difference]: Start difference. First operand 1125 states and 1474 transitions. Second operand 5 states. [2020-10-28 10:05:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:26,572 INFO L93 Difference]: Finished difference Result 3070 states and 4077 transitions. [2020-10-28 10:05:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:26,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-10-28 10:05:26,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:26,593 INFO L225 Difference]: With dead ends: 3070 [2020-10-28 10:05:26,593 INFO L226 Difference]: Without dead ends: 1951 [2020-10-28 10:05:26,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:05:26,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2020-10-28 10:05:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1129. [2020-10-28 10:05:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-10-28 10:05:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1479 transitions. [2020-10-28 10:05:26,703 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1479 transitions. Word has length 166 [2020-10-28 10:05:26,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:26,705 INFO L481 AbstractCegarLoop]: Abstraction has 1129 states and 1479 transitions. [2020-10-28 10:05:26,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1479 transitions. [2020-10-28 10:05:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 10:05:26,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:26,711 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:05:26,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:05:26,711 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:26,712 INFO L82 PathProgramCache]: Analyzing trace with hash -20493790, now seen corresponding path program 1 times [2020-10-28 10:05:26,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:26,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65156146] [2020-10-28 10:05:26,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:26,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:26,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:29,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:30,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:30,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-28 10:05:30,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:05:30,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4088 [2020-10-28 10:05:30,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:30,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:05:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-28 10:05:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 10:05:30,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:05:31,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:31,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:31,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:31,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:31,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:31,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:05:31,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:31,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:31,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:31,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:31,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 10:05:31,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:31,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 10:05:31,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:31,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 10:05:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:05:31,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65156146] [2020-10-28 10:05:31,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:31,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:05:31,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521336314] [2020-10-28 10:05:31,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:31,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:31,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:31,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:31,241 INFO L87 Difference]: Start difference. First operand 1129 states and 1479 transitions. Second operand 5 states. [2020-10-28 10:05:31,557 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:05:32,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:32,808 INFO L93 Difference]: Finished difference Result 2944 states and 3884 transitions. [2020-10-28 10:05:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:32,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2020-10-28 10:05:32,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:32,810 INFO L225 Difference]: With dead ends: 2944 [2020-10-28 10:05:32,811 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:05:32,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:05:32,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:05:32,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:05:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:05:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:05:32,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-10-28 10:05:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:32,819 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:05:32,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:05:32,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:05:32,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:05:32,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:05:33,394 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 15 [2020-10-28 10:05:33,633 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2020-10-28 10:05:34,224 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 44 [2020-10-28 10:05:34,421 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:05:34,422 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:05:34,422 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:05:34,422 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:05:34,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:05:34,423 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:05:34,423 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:05:34,423 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,423 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,423 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,423 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,423 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:05:34,424 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,425 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:05:34,426 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,427 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:05:34,428 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,429 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:05:34,430 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:05:34,431 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:05:34,432 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:05:34,433 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:05:34,434 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:05:34,435 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L270 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (and (not (= 14 |old(~a8~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 4 |old(~a16~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:05:34,436 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:05:34,437 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,438 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (<= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1))) (or (and .cse1 .cse0 .cse2 .cse3 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|))) (or (not (= 14 |old(~a8~0)|)) (and .cse1 .cse0 .cse2 .cse3 (= 14 ~a8~0) .cse4)) (or (not (= |old(~a20~0)| 1)) (and .cse1 .cse0 .cse2 .cse3 .cse4 .cse5)))) [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:05:34,439 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,440 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:05:34,441 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:05:34,442 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:05:34,443 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:05:34,444 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 1) (not (= ~a7~0 1)) (<= 15 ~a8~0)) [2020-10-28 10:05:34,444 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:05:34,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:05:34,445 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:05:34,445 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:05:34,445 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (= 14 ~a8~0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a16~0 4) (not (= ~a7~0 1)) (= |old(~a7~0)| 1) (<= 15 ~a8~0)) [2020-10-28 10:05:34,445 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:05:34,445 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:05:34,445 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (= 14 ~a8~0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a16~0 4) (not (= ~a7~0 1)) (= |old(~a7~0)| 1) (<= 15 ~a8~0)) [2020-10-28 10:05:34,445 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:05:34,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:05:34 BoogieIcfgContainer [2020-10-28 10:05:34,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:05:34,468 INFO L168 Benchmark]: Toolchain (without parser) took 27969.08 ms. Allocated memory was 125.8 MB in the beginning and 588.3 MB in the end (delta: 462.4 MB). Free memory was 99.7 MB in the beginning and 296.6 MB in the end (delta: -196.9 MB). Peak memory consumption was 266.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:34,469 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:05:34,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.62 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 99.2 MB in the beginning and 137.7 MB in the end (delta: -38.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:34,471 INFO L168 Benchmark]: Boogie Preprocessor took 141.98 ms. Allocated memory is still 157.3 MB. Free memory was 137.7 MB in the beginning and 132.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:34,472 INFO L168 Benchmark]: RCFGBuilder took 1390.02 ms. Allocated memory is still 157.3 MB. Free memory was 132.6 MB in the beginning and 76.1 MB in the end (delta: 56.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:34,473 INFO L168 Benchmark]: TraceAbstraction took 25741.44 ms. Allocated memory was 157.3 MB in the beginning and 588.3 MB in the end (delta: 431.0 MB). Free memory was 75.6 MB in the beginning and 296.6 MB in the end (delta: -221.1 MB). Peak memory consumption was 209.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:34,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 679.62 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 99.2 MB in the beginning and 137.7 MB in the end (delta: -38.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.98 ms. Allocated memory is still 157.3 MB. Free memory was 137.7 MB in the beginning and 132.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1390.02 ms. Allocated memory is still 157.3 MB. Free memory was 132.6 MB in the beginning and 76.1 MB in the end (delta: 56.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25741.44 ms. Allocated memory was 157.3 MB in the beginning and 588.3 MB in the end (delta: 431.0 MB). Free memory was 75.6 MB in the beginning and 296.6 MB in the end (delta: -221.1 MB). Peak memory consumption was 209.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((14 == a8 || !(15 <= \old(a8))) || !(\old(a20) == 1)) || a20 == 1) || a16 == 4) || !(a7 == 1)) || \old(a7) == 1) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 138 SDtfs, 1302 SDslu, 130 SDs, 0 SdLazy, 3386 SolverSat, 501 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1129occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 854 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 85 PreInvPairs, 113 NumberOfFragments, 309 HoareAnnotationTreeSize, 85 FomulaSimplifications, 16022 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1858 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 802 NumberOfCodeBlocks, 802 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 797 ConstructedInterpolants, 0 QuantifiedInterpolants, 442122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 134/155 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...