/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:14:55,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:14:55,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:14:55,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:14:55,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:14:55,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:14:55,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:14:55,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:14:55,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:14:55,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:14:55,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:14:55,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:14:55,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:14:55,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:14:55,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:14:55,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:14:55,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:14:55,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:14:55,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:14:55,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:14:55,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:14:55,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:14:55,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:14:55,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:14:55,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:14:55,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:14:55,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:14:55,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:14:55,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:14:55,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:14:55,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:14:55,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:14:55,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:14:55,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:14:55,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:14:55,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:14:55,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:14:55,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:14:55,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:14:55,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:14:55,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:14:55,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 18:14:55,280 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:14:55,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:14:55,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:14:55,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:14:55,286 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:14:55,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:14:55,286 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:14:55,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:14:55,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:14:55,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:14:55,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:14:55,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:14:55,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:14:55,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:14:55,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:14:55,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:14:55,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:14:55,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:14:55,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:14:55,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:14:55,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:14:55,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:14:55,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:14:55,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:14:55,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:14:55,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:14:55,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:14:55,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:14:55,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:14:55,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:14:55,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:14:55,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:14:55,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:14:55,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:14:55,764 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:14:55,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label35.c [2020-10-27 18:14:55,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02560fb76/47f5f2d05ed7405aae1ff5017afddb98/FLAG05b02b79d [2020-10-27 18:14:56,667 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:14:56,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label35.c [2020-10-27 18:14:56,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02560fb76/47f5f2d05ed7405aae1ff5017afddb98/FLAG05b02b79d [2020-10-27 18:14:56,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02560fb76/47f5f2d05ed7405aae1ff5017afddb98 [2020-10-27 18:14:56,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:14:56,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:14:56,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:14:56,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:14:56,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:14:56,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:14:56" (1/1) ... [2020-10-27 18:14:56,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b19597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:56, skipping insertion in model container [2020-10-27 18:14:56,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:14:56" (1/1) ... [2020-10-27 18:14:56,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:14:56,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:14:57,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:14:57,545 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:14:57,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:14:57,705 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:14:57,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57 WrapperNode [2020-10-27 18:14:57,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:14:57,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:14:57,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:14:57,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:14:57,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... [2020-10-27 18:14:57,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:14:57,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:14:57,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:14:57,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:14:57,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:14:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:14:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:14:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:14:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:14:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:14:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:14:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:14:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:14:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:14:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:14:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:14:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:14:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:14:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:14:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:14:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:14:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:14:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:14:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:14:59,790 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:14:59,791 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:14:59,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:14:59 BoogieIcfgContainer [2020-10-27 18:14:59,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:14:59,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:14:59,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:14:59,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:14:59,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:14:56" (1/3) ... [2020-10-27 18:14:59,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdac363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:14:59, skipping insertion in model container [2020-10-27 18:14:59,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:57" (2/3) ... [2020-10-27 18:14:59,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdac363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:14:59, skipping insertion in model container [2020-10-27 18:14:59,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:14:59" (3/3) ... [2020-10-27 18:14:59,803 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label35.c [2020-10-27 18:14:59,818 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:14:59,825 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:14:59,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:14:59,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:14:59,883 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:14:59,883 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:14:59,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:14:59,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:14:59,883 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:14:59,884 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:14:59,884 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:14:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-27 18:14:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-27 18:14:59,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:59,923 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] [2020-10-27 18:14:59,923 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:59,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:59,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1321361402, now seen corresponding path program 1 times [2020-10-27 18:14:59,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:59,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306849387] [2020-10-27 18:14:59,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:00,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:00,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:00,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 18:15:00,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:00,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-27 18:15:00,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:15:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:15:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 18:15:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:15:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:00,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:00,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:00,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 18:15:00,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:15:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:00,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306849387] [2020-10-27 18:15:00,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:15:00,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 18:15:00,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523649168] [2020-10-27 18:15:00,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 18:15:00,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:00,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 18:15:00,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 18:15:00,963 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-27 18:15:01,123 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 18:15:03,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:03,689 INFO L93 Difference]: Finished difference Result 703 states and 1247 transitions. [2020-10-27 18:15:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:03,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-27 18:15:03,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:03,722 INFO L225 Difference]: With dead ends: 703 [2020-10-27 18:15:03,723 INFO L226 Difference]: Without dead ends: 381 [2020-10-27 18:15:03,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:03,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-27 18:15:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2020-10-27 18:15:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-27 18:15:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 605 transitions. [2020-10-27 18:15:03,841 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 605 transitions. Word has length 51 [2020-10-27 18:15:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:03,842 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 605 transitions. [2020-10-27 18:15:03,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 18:15:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 605 transitions. [2020-10-27 18:15:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 18:15:03,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:15:03,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:15:03,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:15:03,850 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:15:03,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:15:03,851 INFO L82 PathProgramCache]: Analyzing trace with hash -2145241799, now seen corresponding path program 1 times [2020-10-27 18:15:03,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:15:03,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468902065] [2020-10-27 18:15:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:03,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:04,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:04,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:05,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:05,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 18:15:05,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:15:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1550 [2020-10-27 18:15:05,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 18:15:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 18:15:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:15:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:05,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:05,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:05,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:05,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:15:05,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:05,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:05,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:05,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:15:05,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:05,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 18:15:05,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 18:15:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:05,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468902065] [2020-10-27 18:15:05,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:05,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:05,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81751231] [2020-10-27 18:15:05,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:05,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:05,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:05,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:05,739 INFO L87 Difference]: Start difference. First operand 375 states and 605 transitions. Second operand 5 states. [2020-10-27 18:15:08,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:08,072 INFO L93 Difference]: Finished difference Result 934 states and 1520 transitions. [2020-10-27 18:15:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:08,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-27 18:15:08,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:08,080 INFO L225 Difference]: With dead ends: 934 [2020-10-27 18:15:08,080 INFO L226 Difference]: Without dead ends: 565 [2020-10-27 18:15:08,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-27 18:15:08,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 561. [2020-10-27 18:15:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-27 18:15:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 802 transitions. [2020-10-27 18:15:08,159 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 802 transitions. Word has length 120 [2020-10-27 18:15:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:08,163 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 802 transitions. [2020-10-27 18:15:08,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 802 transitions. [2020-10-27 18:15:08,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 18:15:08,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:15:08,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:15:08,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:15:08,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:15:08,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:15:08,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1552796057, now seen corresponding path program 1 times [2020-10-27 18:15:08,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:15:08,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496655956] [2020-10-27 18:15:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:08,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:09,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:09,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:09,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 18:15:09,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:15:09,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1548 [2020-10-27 18:15:09,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 18:15:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 18:15:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:09,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:09,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:09,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:09,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:09,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:09,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:15:09,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:09,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:09,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:10,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:10,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 18:15:10,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 18:15:10,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 18:15:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 18:15:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:10,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496655956] [2020-10-27 18:15:10,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:10,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:10,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523731846] [2020-10-27 18:15:10,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:10,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:10,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:10,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:10,094 INFO L87 Difference]: Start difference. First operand 561 states and 802 transitions. Second operand 5 states. [2020-10-27 18:15:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:12,524 INFO L93 Difference]: Finished difference Result 1672 states and 2426 transitions. [2020-10-27 18:15:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:12,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-27 18:15:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:12,536 INFO L225 Difference]: With dead ends: 1672 [2020-10-27 18:15:12,536 INFO L226 Difference]: Without dead ends: 1117 [2020-10-27 18:15:12,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-27 18:15:12,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 747. [2020-10-27 18:15:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-27 18:15:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1044 transitions. [2020-10-27 18:15:12,591 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1044 transitions. Word has length 125 [2020-10-27 18:15:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:12,593 INFO L481 AbstractCegarLoop]: Abstraction has 747 states and 1044 transitions. [2020-10-27 18:15:12,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1044 transitions. [2020-10-27 18:15:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 18:15:12,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:15:12,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:15:12,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:15:12,603 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:15:12,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:15:12,603 INFO L82 PathProgramCache]: Analyzing trace with hash -878986829, now seen corresponding path program 1 times [2020-10-27 18:15:12,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:15:12,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023015918] [2020-10-27 18:15:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:12,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:13,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:13,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:13,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:13,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 18:15:13,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:15:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1321 [2020-10-27 18:15:13,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 18:15:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 18:15:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:15:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:14,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:14,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:14,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:14,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:15:14,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:14,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:14,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:14,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:14,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:14,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:14,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:14,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 18:15:14,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:14,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 18:15:14,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 18:15:14,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:14,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023015918] [2020-10-27 18:15:14,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:14,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:14,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865908600] [2020-10-27 18:15:14,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:14,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:14,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:14,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:14,231 INFO L87 Difference]: Start difference. First operand 747 states and 1044 transitions. Second operand 5 states. [2020-10-27 18:15:16,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:16,729 INFO L93 Difference]: Finished difference Result 2048 states and 2940 transitions. [2020-10-27 18:15:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:16,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-27 18:15:16,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:16,749 INFO L225 Difference]: With dead ends: 2048 [2020-10-27 18:15:16,749 INFO L226 Difference]: Without dead ends: 1307 [2020-10-27 18:15:16,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:16,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2020-10-27 18:15:16,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1115. [2020-10-27 18:15:16,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2020-10-27 18:15:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1587 transitions. [2020-10-27 18:15:16,810 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1587 transitions. Word has length 131 [2020-10-27 18:15:16,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:16,810 INFO L481 AbstractCegarLoop]: Abstraction has 1115 states and 1587 transitions. [2020-10-27 18:15:16,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1587 transitions. [2020-10-27 18:15:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 18:15:16,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:15:16,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:15:16,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:15:16,814 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:15:16,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:15:16,815 INFO L82 PathProgramCache]: Analyzing trace with hash -2024256497, now seen corresponding path program 1 times [2020-10-27 18:15:16,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:15:16,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282218641] [2020-10-27 18:15:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:17,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:18,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:18,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 18:15:18,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:15:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1600 [2020-10-27 18:15:18,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 18:15:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 18:15:18,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:18,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:18,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:18,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:18,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:18,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:15:18,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:18,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:18,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:18,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:18,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 18:15:18,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 18:15:18,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 18:15:18,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:18,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282218641] [2020-10-27 18:15:18,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:18,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:18,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810904084] [2020-10-27 18:15:18,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:18,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:18,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:18,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:18,782 INFO L87 Difference]: Start difference. First operand 1115 states and 1587 transitions. Second operand 5 states. [2020-10-27 18:15:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:20,400 INFO L93 Difference]: Finished difference Result 2257 states and 3229 transitions. [2020-10-27 18:15:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:20,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-27 18:15:20,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:20,410 INFO L225 Difference]: With dead ends: 2257 [2020-10-27 18:15:20,410 INFO L226 Difference]: Without dead ends: 1123 [2020-10-27 18:15:20,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-10-27 18:15:20,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1115. [2020-10-27 18:15:20,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2020-10-27 18:15:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1584 transitions. [2020-10-27 18:15:20,467 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1584 transitions. Word has length 145 [2020-10-27 18:15:20,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:20,467 INFO L481 AbstractCegarLoop]: Abstraction has 1115 states and 1584 transitions. [2020-10-27 18:15:20,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1584 transitions. [2020-10-27 18:15:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 18:15:20,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:15:20,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:15:20,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:15:20,471 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:15:20,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:15:20,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1180820735, now seen corresponding path program 1 times [2020-10-27 18:15:20,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:15:20,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159943105] [2020-10-27 18:15:20,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:20,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:22,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:22,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 18:15:22,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:15:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2277 [2020-10-27 18:15:22,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 18:15:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 18:15:22,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:22,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:22,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:22,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:22,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:22,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:15:22,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:22,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:22,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:22,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:23,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 18:15:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 18:15:23,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 18:15:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:23,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159943105] [2020-10-27 18:15:23,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:23,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:23,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691029127] [2020-10-27 18:15:23,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:23,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:23,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:23,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:23,170 INFO L87 Difference]: Start difference. First operand 1115 states and 1584 transitions. Second operand 5 states. [2020-10-27 18:15:25,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:25,623 INFO L93 Difference]: Finished difference Result 2784 states and 4021 transitions. [2020-10-27 18:15:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:25,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-10-27 18:15:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:25,636 INFO L225 Difference]: With dead ends: 2784 [2020-10-27 18:15:25,636 INFO L226 Difference]: Without dead ends: 1491 [2020-10-27 18:15:25,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:25,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-10-27 18:15:25,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1301. [2020-10-27 18:15:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1301 states. [2020-10-27 18:15:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1828 transitions. [2020-10-27 18:15:25,698 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1828 transitions. Word has length 156 [2020-10-27 18:15:25,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:25,698 INFO L481 AbstractCegarLoop]: Abstraction has 1301 states and 1828 transitions. [2020-10-27 18:15:25,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:25,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1828 transitions. [2020-10-27 18:15:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-27 18:15:25,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:15:25,702 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:15:25,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:15:25,703 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:15:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:15:25,703 INFO L82 PathProgramCache]: Analyzing trace with hash 638256221, now seen corresponding path program 1 times [2020-10-27 18:15:25,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:15:25,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316270255] [2020-10-27 18:15:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:15:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:25,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:25,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:26,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:26,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 18:15:26,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:15:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 936 [2020-10-27 18:15:26,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-27 18:15:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 18:15:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:26,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:26,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:26,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:26,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:26,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:26,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:15:26,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:26,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:26,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:26,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:26,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:15:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:26,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:27,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:27,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:15:27,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:27,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 18:15:27,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 18:15:27,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:15:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:15:27,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316270255] [2020-10-27 18:15:27,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:27,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:27,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390211106] [2020-10-27 18:15:27,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:27,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:27,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:27,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:27,147 INFO L87 Difference]: Start difference. First operand 1301 states and 1828 transitions. Second operand 5 states. [2020-10-27 18:15:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:29,095 INFO L93 Difference]: Finished difference Result 1677 states and 2383 transitions. [2020-10-27 18:15:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:29,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-10-27 18:15:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:29,099 INFO L225 Difference]: With dead ends: 1677 [2020-10-27 18:15:29,099 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:15:29,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:29,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:15:29,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:15:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:15:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:15:29,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-10-27 18:15:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:29,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:15:29,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:15:29,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:15:29,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:15:29,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:15:29,343 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2020-10-27 18:15:29,613 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2020-10-27 18:15:30,229 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2020-10-27 18:15:30,434 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-10-27 18:15:30,438 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 18:15:30,439 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 18:15:30,439 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 18:15:30,439 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 18:15:30,439 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:15:30,440 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)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:15:30,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:15:30,442 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-27 18:15:30,442 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:15:30,442 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:15:30,442 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:15:30,442 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-27 18:15:30,443 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-27 18:15:30,443 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-27 18:15:30,443 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,443 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-27 18:15:30,444 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-27 18:15:30,445 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,445 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,445 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,445 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-27 18:15:30,446 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-27 18:15:30,446 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:15:30,446 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,447 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-27 18:15:30,448 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-27 18:15:30,449 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,450 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-27 18:15:30,451 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,452 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,453 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,454 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,454 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-27 18:15:30,454 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse1 .cse4 .cse2 .cse3))) (and (or .cse0 (not (<= 9 |old(~a21~0)|))) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or (and .cse1 (= ~a21~0 6) .cse2 .cse3) (not (= 6 |old(~a21~0)|))) (or (not (= 6 |old(~a15~0)|)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a21~0)|)) (not (<= 12 |old(~a12~0)|)) (not (<= |old(~a12~0)| 80)) (and (= ~a24~0 1) (= ~a21~0 8) .cse2 .cse3)) (or (and (= 5 ~a15~0) .cse1 .cse4 .cse2) (not (= 5 |old(~a15~0)|)))))) [2020-10-27 18:15:30,454 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-27 18:15:30,454 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:15:30,454 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:15:30,455 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,456 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-27 18:15:30,457 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-27 18:15:30,458 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L270 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (and (not (<= 9 |old(~a21~0)|)) (not (= 6 |old(~a21~0)|)) (not (<= 7 |old(~a15~0)|)) (not (= 5 |old(~a15~0)|)) (or (not (= 6 |old(~a15~0)|)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a21~0)|)) (not (<= 12 |old(~a12~0)|)) (not (<= |old(~a12~0)| 80)))) [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-10-27 18:15:30,459 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:15:30,460 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:15:30,461 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:15:30,462 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:15:30,463 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:15:30,464 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-27 18:15:30,465 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,466 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-27 18:15:30,467 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-27 18:15:30,468 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:15:30,469 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:30,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:15:30,471 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 8 ~a15~0) [2020-10-27 18:15:30,471 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:15:30,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:15:30,471 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 8 |old(~a15~0)|))) [2020-10-27 18:15:30,471 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (= 5 ~a15~0) (<= 9 ~a21~0) (<= 7 ~a15~0) (not (<= 8 |old(~a15~0)|)) (= ~a21~0 6) (and (<= 12 ~a12~0) (= ~a24~0 1) (<= ~a12~0 80) (= ~a21~0 8) (= ~a15~0 6))) [2020-10-27 18:15:30,471 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-27 18:15:30,472 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:15:30,472 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-27 18:15:30,472 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (= 5 ~a15~0) (<= 9 ~a21~0) (<= 7 ~a15~0) (not (<= 8 |old(~a15~0)|)) (= ~a21~0 6) (and (<= 12 ~a12~0) (= ~a24~0 1) (<= ~a12~0 80) (= ~a21~0 8) (= ~a15~0 6))) [2020-10-27 18:15:30,472 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:15:30,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:15:30 BoogieIcfgContainer [2020-10-27 18:15:30,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:15:30,496 INFO L168 Benchmark]: Toolchain (without parser) took 33632.98 ms. Allocated memory was 152.0 MB in the beginning and 489.7 MB in the end (delta: 337.6 MB). Free memory was 126.5 MB in the beginning and 187.8 MB in the end (delta: -61.2 MB). Peak memory consumption was 277.3 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:30,496 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:15:30,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.99 ms. Allocated memory is still 152.0 MB. Free memory was 126.1 MB in the beginning and 93.6 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:30,498 INFO L168 Benchmark]: Boogie Preprocessor took 136.40 ms. Allocated memory is still 152.0 MB. Free memory was 93.6 MB in the beginning and 87.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:30,499 INFO L168 Benchmark]: RCFGBuilder took 1948.12 ms. Allocated memory was 152.0 MB in the beginning and 196.1 MB in the end (delta: 44.0 MB). Free memory was 87.7 MB in the beginning and 167.9 MB in the end (delta: -80.2 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:30,500 INFO L168 Benchmark]: TraceAbstraction took 30698.02 ms. Allocated memory was 196.1 MB in the beginning and 489.7 MB in the end (delta: 293.6 MB). Free memory was 167.4 MB in the beginning and 187.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 273.7 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:30,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 837.99 ms. Allocated memory is still 152.0 MB. Free memory was 126.1 MB in the beginning and 93.6 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.40 ms. Allocated memory is still 152.0 MB. Free memory was 93.6 MB in the beginning and 87.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1948.12 ms. Allocated memory was 152.0 MB in the beginning and 196.1 MB in the end (delta: 44.0 MB). Free memory was 87.7 MB in the beginning and 167.9 MB in the end (delta: -80.2 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30698.02 ms. Allocated memory was 196.1 MB in the beginning and 489.7 MB in the end (delta: 293.6 MB). Free memory was 167.4 MB in the beginning and 187.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 273.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((5 == a15 || 9 <= a21) || 7 <= a15) || !(8 <= \old(a15))) || a21 == 6) || ((((12 <= a12 && a24 == 1) && a12 <= 80) && a21 == 8) && a15 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.2s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 175 SDtfs, 2558 SDslu, 125 SDs, 0 SdLazy, 6989 SolverSat, 662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1301occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 770 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 83 PreInvPairs, 109 NumberOfFragments, 295 HoareAnnotationTreeSize, 83 FomulaSimplifications, 39065 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1032 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 898 NumberOfCodeBlocks, 898 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 308635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 252/258 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...