/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:34:16,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:34:16,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:34:16,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:34:16,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:34:16,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:34:16,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:34:16,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:34:16,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:34:16,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:34:16,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:34:16,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:34:16,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:34:16,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:34:16,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:34:16,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:34:16,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:34:16,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:34:16,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:34:16,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:34:16,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:34:16,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:34:16,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:34:16,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:34:16,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:34:16,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:34:16,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:34:16,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:34:16,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:34:16,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:34:16,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:34:16,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:34:16,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:34:16,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:34:16,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:34:16,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:34:16,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:34:16,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:34:16,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:34:16,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:34:16,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:34:16,742 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 [2020-09-24 19:34:16,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:34:16,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:34:16,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:34:16,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:34:16,795 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:34:16,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:34:16,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:34:16,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:34:16,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:34:16,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:34:16,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:34:16,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:34:16,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:34:16,799 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:34:16,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:34:16,799 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:34:16,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:34:16,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:34:16,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:34:16,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:34:16,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:34:16,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:34:16,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:34:16,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:34:16,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:34:16,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:34:16,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:34:16,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:34:16,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:34:16,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:34:17,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:34:17,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:34:17,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:34:17,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:34:17,309 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:34:17,310 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-24 19:34:17,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2c2524ac/5e4584ef1d1144bbb43a46d8eeac5b64/FLAG5cb5379c0 [2020-09-24 19:34:17,906 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:34:17,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-24 19:34:17,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2c2524ac/5e4584ef1d1144bbb43a46d8eeac5b64/FLAG5cb5379c0 [2020-09-24 19:34:18,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2c2524ac/5e4584ef1d1144bbb43a46d8eeac5b64 [2020-09-24 19:34:18,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:34:18,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:34:18,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:34:18,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:34:18,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:34:18,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583345b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18, skipping insertion in model container [2020-09-24 19:34:18,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:34:18,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:34:18,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:34:18,550 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:34:18,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:34:18,714 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:34:18,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18 WrapperNode [2020-09-24 19:34:18,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:34:18,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:34:18,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:34:18,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:34:18,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (1/1) ... [2020-09-24 19:34:18,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:34:18,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:34:18,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:34:18,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:34:18,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (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 [2020-09-24 19:34:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:34:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:34:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:34:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:34:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:34:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:34:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:34:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:34:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-24 19:34:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:34:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:34:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:34:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:34:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:34:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:34:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:34:19,269 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:34:19,270 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 19:34:19,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:34:19 BoogieIcfgContainer [2020-09-24 19:34:19,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:34:19,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:34:19,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:34:19,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:34:19,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:34:18" (1/3) ... [2020-09-24 19:34:19,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfa54a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:34:19, skipping insertion in model container [2020-09-24 19:34:19,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:18" (2/3) ... [2020-09-24 19:34:19,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfa54a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:34:19, skipping insertion in model container [2020-09-24 19:34:19,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:34:19" (3/3) ... [2020-09-24 19:34:19,295 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-24 19:34:19,304 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:34:19,315 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-24 19:34:19,336 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-24 19:34:19,367 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:34:19,368 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:34:19,368 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:34:19,368 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:34:19,368 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:34:19,368 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:34:19,369 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:34:19,369 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:34:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-24 19:34:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-24 19:34:19,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:19,401 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] [2020-09-24 19:34:19,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash 477414535, now seen corresponding path program 1 times [2020-09-24 19:34:19,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:19,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566599926] [2020-09-24 19:34:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:19,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:19,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:19,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:19,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 19:34:19,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:34:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-09-24 19:34:19,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:34:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 19:34:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:34:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 19:34:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:20,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:20,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:20,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:20,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:20,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:34:20,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:20,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566599926] [2020-09-24 19:34:20,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:20,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:34:20,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066863704] [2020-09-24 19:34:20,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:34:20,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:20,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:34:20,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:20,158 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-09-24 19:34:20,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:20,486 INFO L93 Difference]: Finished difference Result 210 states and 236 transitions. [2020-09-24 19:34:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 19:34:20,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-09-24 19:34:20,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:20,503 INFO L225 Difference]: With dead ends: 210 [2020-09-24 19:34:20,503 INFO L226 Difference]: Without dead ends: 110 [2020-09-24 19:34:20,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-24 19:34:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 76. [2020-09-24 19:34:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-24 19:34:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2020-09-24 19:34:20,565 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 30 [2020-09-24 19:34:20,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:20,566 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2020-09-24 19:34:20,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:34:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2020-09-24 19:34:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-24 19:34:20,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:20,568 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] [2020-09-24 19:34:20,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:34:20,568 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:20,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:20,569 INFO L82 PathProgramCache]: Analyzing trace with hash 572189094, now seen corresponding path program 1 times [2020-09-24 19:34:20,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:20,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016018871] [2020-09-24 19:34:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:20,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:20,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:20,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 19:34:20,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:20,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 19:34:20,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:34:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 19:34:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:34:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:20,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:20,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:34:20,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:20,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016018871] [2020-09-24 19:34:20,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:20,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:34:20,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472423870] [2020-09-24 19:34:20,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:34:20,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:20,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:34:20,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:20,802 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 4 states. [2020-09-24 19:34:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:21,028 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2020-09-24 19:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 19:34:21,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-09-24 19:34:21,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:21,031 INFO L225 Difference]: With dead ends: 159 [2020-09-24 19:34:21,031 INFO L226 Difference]: Without dead ends: 108 [2020-09-24 19:34:21,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-24 19:34:21,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2020-09-24 19:34:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-24 19:34:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2020-09-24 19:34:21,054 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 31 [2020-09-24 19:34:21,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:21,057 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2020-09-24 19:34:21,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:34:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2020-09-24 19:34:21,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-24 19:34:21,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:21,059 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] [2020-09-24 19:34:21,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:34:21,060 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:21,061 INFO L82 PathProgramCache]: Analyzing trace with hash -921386779, now seen corresponding path program 1 times [2020-09-24 19:34:21,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:21,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958165158] [2020-09-24 19:34:21,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:21,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:21,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 19:34:21,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 19:34:21,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:34:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 19:34:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:34:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:21,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:21,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:21,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:21,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:21,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:34:21,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:21,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958165158] [2020-09-24 19:34:21,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:21,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:34:21,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614117942] [2020-09-24 19:34:21,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:34:21,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:34:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:34:21,272 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand 6 states. [2020-09-24 19:34:21,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:21,460 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2020-09-24 19:34:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:21,461 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-09-24 19:34:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:21,463 INFO L225 Difference]: With dead ends: 93 [2020-09-24 19:34:21,463 INFO L226 Difference]: Without dead ends: 91 [2020-09-24 19:34:21,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:34:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-24 19:34:21,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 73. [2020-09-24 19:34:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-24 19:34:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2020-09-24 19:34:21,472 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 31 [2020-09-24 19:34:21,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:21,473 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2020-09-24 19:34:21,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:34:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-09-24 19:34:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:34:21,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:21,474 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] [2020-09-24 19:34:21,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:34:21,475 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:21,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:21,475 INFO L82 PathProgramCache]: Analyzing trace with hash -223412704, now seen corresponding path program 1 times [2020-09-24 19:34:21,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:21,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308029034] [2020-09-24 19:34:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:21,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:21,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 19:34:21,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 19:34:21,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:34:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 19:34:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:34:21,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:21,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:21,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:21,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:21,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:34:21,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:21,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:21,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:21,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:21,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:21,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308029034] [2020-09-24 19:34:21,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:21,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:34:21,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280078962] [2020-09-24 19:34:21,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:34:21,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:21,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:34:21,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:21,688 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 4 states. [2020-09-24 19:34:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:21,826 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2020-09-24 19:34:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 19:34:21,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-09-24 19:34:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:21,828 INFO L225 Difference]: With dead ends: 101 [2020-09-24 19:34:21,828 INFO L226 Difference]: Without dead ends: 84 [2020-09-24 19:34:21,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-09-24 19:34:21,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 73. [2020-09-24 19:34:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-24 19:34:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2020-09-24 19:34:21,842 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 33 [2020-09-24 19:34:21,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:21,842 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2020-09-24 19:34:21,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:34:21,845 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2020-09-24 19:34:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 19:34:21,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:21,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:21,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:34:21,848 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:21,848 INFO L82 PathProgramCache]: Analyzing trace with hash 276122014, now seen corresponding path program 1 times [2020-09-24 19:34:21,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:21,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1728697379] [2020-09-24 19:34:21,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:21,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:22,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:22,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:22,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:22,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 19:34:22,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:34:22,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 836 [2020-09-24 19:34:22,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:34:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 19:34:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 19:34:22,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:22,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:22,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:22,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:22,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:34:22,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:22,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1728697379] [2020-09-24 19:34:22,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:22,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:34:22,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107138761] [2020-09-24 19:34:22,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:34:22,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:22,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:34:22,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:34:22,844 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 6 states. [2020-09-24 19:34:23,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:23,087 INFO L93 Difference]: Finished difference Result 171 states and 179 transitions. [2020-09-24 19:34:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:23,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-09-24 19:34:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:23,089 INFO L225 Difference]: With dead ends: 171 [2020-09-24 19:34:23,089 INFO L226 Difference]: Without dead ends: 129 [2020-09-24 19:34:23,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:23,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-24 19:34:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 93. [2020-09-24 19:34:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-24 19:34:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2020-09-24 19:34:23,100 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 52 [2020-09-24 19:34:23,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:23,101 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2020-09-24 19:34:23,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:34:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2020-09-24 19:34:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 19:34:23,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:23,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:23,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:34:23,103 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:23,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:23,103 INFO L82 PathProgramCache]: Analyzing trace with hash -94524522, now seen corresponding path program 1 times [2020-09-24 19:34:23,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:23,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539039197] [2020-09-24 19:34:23,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:23,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:23,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 19:34:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-24 19:34:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:34:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-24 19:34:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:34:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:23,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:23,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:23,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:23,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:23,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:34:23,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:23,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539039197] [2020-09-24 19:34:23,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:23,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:34:23,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234211117] [2020-09-24 19:34:23,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:34:23,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:23,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:34:23,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:34:23,318 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 6 states. [2020-09-24 19:34:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:23,537 INFO L93 Difference]: Finished difference Result 135 states and 141 transitions. [2020-09-24 19:34:23,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:23,537 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-09-24 19:34:23,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:23,539 INFO L225 Difference]: With dead ends: 135 [2020-09-24 19:34:23,539 INFO L226 Difference]: Without dead ends: 133 [2020-09-24 19:34:23,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:34:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-24 19:34:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 93. [2020-09-24 19:34:23,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-24 19:34:23,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2020-09-24 19:34:23,548 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 53 [2020-09-24 19:34:23,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:23,549 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2020-09-24 19:34:23,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:34:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2020-09-24 19:34:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 19:34:23,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:23,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:23,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 19:34:23,551 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:23,551 INFO L82 PathProgramCache]: Analyzing trace with hash 893991191, now seen corresponding path program 1 times [2020-09-24 19:34:23,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:23,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533121480] [2020-09-24 19:34:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:23,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 19:34:23,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:34:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-24 19:34:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:34:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 19:34:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 19:34:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:23,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:23,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:23,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:23,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:23,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:34:23,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:23,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533121480] [2020-09-24 19:34:23,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:23,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:34:23,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296465422] [2020-09-24 19:34:23,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:34:23,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:23,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:34:23,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:34:23,985 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand 6 states. [2020-09-24 19:34:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:24,203 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2020-09-24 19:34:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:24,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-09-24 19:34:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:24,205 INFO L225 Difference]: With dead ends: 188 [2020-09-24 19:34:24,205 INFO L226 Difference]: Without dead ends: 126 [2020-09-24 19:34:24,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-24 19:34:24,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 70. [2020-09-24 19:34:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 19:34:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-09-24 19:34:24,212 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 53 [2020-09-24 19:34:24,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:24,213 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-09-24 19:34:24,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:34:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-09-24 19:34:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-24 19:34:24,214 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:24,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:24,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 19:34:24,215 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:24,215 INFO L82 PathProgramCache]: Analyzing trace with hash -2013372873, now seen corresponding path program 1 times [2020-09-24 19:34:24,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:24,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375031003] [2020-09-24 19:34:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:24,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:25,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:25,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 19:34:25,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-24 19:34:25,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 19:34:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 19:34:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 19:34:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:26,343 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2020-09-24 19:34:26,949 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-09-24 19:34:34,417 WARN L193 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 321 DAG size of output: 75 [2020-09-24 19:34:39,418 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 237 DAG size of output: 59 [2020-09-24 19:34:40,049 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 60 [2020-09-24 19:34:40,208 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2020-09-24 19:34:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:40,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:40,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:40,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:34:40,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:40,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375031003] [2020-09-24 19:34:40,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:40,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 19:34:40,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904821831] [2020-09-24 19:34:40,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 19:34:40,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:40,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 19:34:40,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:34:40,448 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 14 states. [2020-09-24 19:34:43,563 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-09-24 19:34:44,086 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2020-09-24 19:34:48,846 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-09-24 19:34:49,043 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-24 19:34:49,189 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-24 19:34:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:49,631 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-09-24 19:34:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 19:34:49,631 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-09-24 19:34:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:49,633 INFO L225 Difference]: With dead ends: 88 [2020-09-24 19:34:49,633 INFO L226 Difference]: Without dead ends: 86 [2020-09-24 19:34:49,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2020-09-24 19:34:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-09-24 19:34:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2020-09-24 19:34:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-24 19:34:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-09-24 19:34:49,640 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 55 [2020-09-24 19:34:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:49,640 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-09-24 19:34:49,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 19:34:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-09-24 19:34:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 19:34:49,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:49,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:49,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 19:34:49,642 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:34:49,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:49,643 INFO L82 PathProgramCache]: Analyzing trace with hash 511170824, now seen corresponding path program 1 times [2020-09-24 19:34:49,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:49,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232781790] [2020-09-24 19:34:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:49,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 19:34:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:34:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-24 19:34:50,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 19:34:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 19:34:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:50,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:50,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:34:50,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:50,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:34:50,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:50,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:50,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:50,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:50,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:34:50,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232781790] [2020-09-24 19:34:50,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:34:50,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 19:34:50,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148065693] [2020-09-24 19:34:50,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:34:50,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:50,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:34:50,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:34:50,874 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 6 states. [2020-09-24 19:34:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:51,408 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-09-24 19:34:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:34:51,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-09-24 19:34:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:51,409 INFO L225 Difference]: With dead ends: 95 [2020-09-24 19:34:51,409 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:34:51,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:34:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:34:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:34:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:34:51,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-24 19:34:51,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:51,411 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:34:51,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:34:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:34:51,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:34:51,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 19:34:51,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:34:53,874 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2020-09-24 19:34:53,984 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-24 19:34:54,125 INFO L268 CegarLoopResult]: For program point L1(line 1) no Hoare annotation was computed. [2020-09-24 19:34:54,125 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 19:34:54,125 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 19:34:54,125 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:34:54,125 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 19:34:54,125 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 19:34:54,126 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__return_136~0 |old(~__return_136~0)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:34:54,126 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:34:54,126 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:34:54,126 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 19:34:54,127 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 19:34:54,128 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:34:54,128 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 19:34:54,128 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 19:34:54,129 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 19:34:54,129 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 19:34:54,129 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 19:34:54,129 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-09-24 19:34:54,129 INFO L268 CegarLoopResult]: For program point L60(lines 60 86) no Hoare annotation was computed. [2020-09-24 19:34:54,129 INFO L268 CegarLoopResult]: For program point L27(lines 27 150) no Hoare annotation was computed. [2020-09-24 19:34:54,131 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 166) no Hoare annotation was computed. [2020-09-24 19:34:54,131 INFO L264 CegarLoopResult]: At program point L85(lines 60 86) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (let ((.cse0 (+ main_~main__index2~0 1))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ (* main_~main__index1~0 (- 1)) (* (div .cse0 4294967296) 4294967296) 4294967296) 4294967296))) .cse0)) (<= 1 main_~main____CPAchecker_TMP_0~1) (<= 1 main_~__tmp_1~0) (<= main_~main__index2~0 (+ .cse1 99998)) (<= 1 main_~__VERIFIER_assert__cond~0) (<= (+ main_~main__index1~0 .cse1 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-24 19:34:54,131 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-24 19:34:54,131 INFO L268 CegarLoopResult]: For program point L19(lines 19 165) no Hoare annotation was computed. [2020-09-24 19:34:54,132 INFO L264 CegarLoopResult]: At program point L77(lines 44 137) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-24 19:34:54,133 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 19:34:54,133 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 19:34:54,133 INFO L268 CegarLoopResult]: For program point L69(lines 69 78) no Hoare annotation was computed. [2020-09-24 19:34:54,133 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 19:34:54,133 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-24 19:34:54,133 INFO L264 CegarLoopResult]: At program point L144(lines 29 145) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~main__loop_entered~0 (* 4294967296 (div main_~main__loop_entered~0 4294967296))) (<= 0 main_~main__loop_entered~0) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L103-3(line 103) no Hoare annotation was computed. [2020-09-24 19:34:54,134 INFO L268 CegarLoopResult]: For program point L103-4(line 103) no Hoare annotation was computed. [2020-09-24 19:34:54,135 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 19:34:54,135 INFO L268 CegarLoopResult]: For program point L29(lines 29 145) no Hoare annotation was computed. [2020-09-24 19:34:54,135 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-24 19:34:54,135 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 19:34:54,136 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-09-24 19:34:54,136 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 166) no Hoare annotation was computed. [2020-09-24 19:34:54,137 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-24 19:34:54,137 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 19:34:54,137 INFO L268 CegarLoopResult]: For program point L38(lines 38 137) no Hoare annotation was computed. [2020-09-24 19:34:54,137 INFO L271 CegarLoopResult]: At program point L129(lines 96 130) the Hoare annotation is: true [2020-09-24 19:34:54,137 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2020-09-24 19:34:54,137 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 166) the Hoare annotation is: (and (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:34:54,138 INFO L264 CegarLoopResult]: At program point L154(lines 24 155) the Hoare annotation is: (or (and (<= main_~main__loop_entered~0 (* 4294967296 (div main_~main__loop_entered~0 4294967296))) (<= 0 main_~main__loop_entered~0)) (let ((.cse3 (div main_~main__index2~0 4294967296))) (let ((.cse4 (div main_~main__index1~0 4294967296)) (.cse6 (* 4294967296 .cse3))) (and (let ((.cse2 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse0 (select .cse2 (+ (* main_~main__index1~0 4) |main_~#main__array~0.offset| (* .cse4 (- 17179869184)))))) (<= .cse0 (let ((.cse1 (select .cse2 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse3 (- 17179869184)))))) (+ .cse1 (* 4294967296 (div (+ .cse0 (* .cse1 (- 1))) 4294967296))))))) (let ((.cse5 (+ main_~main__index2~0 1))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ (* main_~main__index1~0 (- 1)) (* (div .cse5 4294967296) 4294967296) 4294967296) 4294967296))) .cse5)) (<= main_~main__index2~0 (+ .cse6 99998)) (<= (+ main_~main__index2~0 (* 4294967296 .cse4)) (+ main_~main__index1~0 .cse6)))))) [2020-09-24 19:34:54,138 INFO L268 CegarLoopResult]: For program point L55(lines 55 131) no Hoare annotation was computed. [2020-09-24 19:34:54,138 INFO L268 CegarLoopResult]: For program point L22(lines 22 160) no Hoare annotation was computed. [2020-09-24 19:34:54,138 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 19:34:54,138 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,138 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L14-4(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L14-5(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L14-6(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,139 INFO L268 CegarLoopResult]: For program point L14-7(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,140 INFO L268 CegarLoopResult]: For program point L14-8(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L14-9(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L14-10(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L14-11(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L14-12(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L14-13(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L14-14(line 14) no Hoare annotation was computed. [2020-09-24 19:34:54,141 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L48-2(lines 48 136) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L48-3(line 48) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L48-4(line 48) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L48-5(line 48) no Hoare annotation was computed. [2020-09-24 19:34:54,142 INFO L268 CegarLoopResult]: For program point L106(lines 106 118) no Hoare annotation was computed. [2020-09-24 19:34:54,143 INFO L268 CegarLoopResult]: For program point L48-6(line 48) no Hoare annotation was computed. [2020-09-24 19:34:54,143 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 19:34:54,143 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-24 19:34:54,144 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-09-24 19:34:54,144 INFO L264 CegarLoopResult]: At program point L90(lines 58 91) the Hoare annotation is: false [2020-09-24 19:34:54,144 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-24 19:34:54,147 INFO L268 CegarLoopResult]: For program point L24(lines 24 155) no Hoare annotation was computed. [2020-09-24 19:34:54,147 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-24 19:34:54,147 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 19:34:54,147 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 19:34:54,147 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 19:34:54,147 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-24 19:34:54,148 INFO L268 CegarLoopResult]: For program point L58(lines 58 91) no Hoare annotation was computed. [2020-09-24 19:34:54,148 INFO L264 CegarLoopResult]: At program point L149(lines 27 150) the Hoare annotation is: false [2020-09-24 19:34:54,148 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-24 19:34:54,148 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 19:34:54,148 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 19:34:54,148 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 19:34:54,150 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 19:34:54,150 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-24 19:34:54,150 INFO L264 CegarLoopResult]: At program point L117(lines 97 126) the Hoare annotation is: (let ((.cse14 (div main_~main__index1~0 4294967296))) (let ((.cse13 (* 4294967296 .cse14)) (.cse15 (div main_~main__index2~0 4294967296))) (let ((.cse12 (* 4294967296 .cse15)) (.cse17 (+ main_~main__index2~0 .cse13))) (or (and (let ((.cse3 (select |#memory_int| |main_~#main__array~0.base|)) (.cse9 (* main_~main__index2~0 4)) (.cse10 (* .cse15 (- 17179869184)))) (let ((.cse1 (select .cse3 (+ .cse9 |main_~#main__array~0.offset| .cse10)))) (let ((.cse2 (* .cse1 (- 1))) (.cse4 (* main_~main__index1~0 4)) (.cse5 (* .cse14 (- 17179869184))) (.cse6 (+ .cse13 2147483647))) (or (and (let ((.cse0 (select .cse3 (+ .cse4 |main_~#main__array~0.offset| .cse5)))) (<= .cse0 (+ .cse1 (* 4294967296 (div (+ .cse0 .cse2) 4294967296))))) (<= main_~main__index1~0 .cse6)) (and (let ((.cse7 (select .cse3 (+ .cse4 |main_~#main__array~0.offset| .cse5 (- 17179869184)))) (.cse11 (+ .cse12 2147483647))) (or (and (<= .cse7 (let ((.cse8 (select .cse3 (+ .cse9 |main_~#main__array~0.offset| .cse10 (- 17179869184))))) (+ (* 4294967296 (div (+ (* .cse8 (- 1)) .cse7) 4294967296)) .cse8))) (< .cse11 main_~main__index2~0)) (and (<= .cse7 (+ .cse1 (* 4294967296 (div (+ .cse2 .cse7) 4294967296)))) (<= main_~main__index2~0 .cse11)))) (< .cse6 main_~main__index1~0)))))) (let ((.cse16 (+ main_~main__index2~0 1))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ (* main_~main__index1~0 (- 1)) (* (div .cse16 4294967296) 4294967296) 4294967296) 4294967296))) .cse16)) (<= .cse17 (+ main_~main__index1~0 .cse12))) (and (not (= main_~__VERIFIER_assert__cond~2 0)) (<= (+ main_~main__index1~0 .cse12 1) .cse17)))))) [2020-09-24 19:34:54,151 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 19:34:54,151 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 19:34:54,151 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-24 19:34:54,153 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 19:34:54,153 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 19:34:54,153 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 19:34:54,153 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 19:34:54,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:34:54 BoogieIcfgContainer [2020-09-24 19:34:54,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:34:54,230 INFO L168 Benchmark]: Toolchain (without parser) took 35974.01 ms. Allocated memory was 148.9 MB in the beginning and 317.7 MB in the end (delta: 168.8 MB). Free memory was 104.2 MB in the beginning and 105.1 MB in the end (delta: -895.4 kB). Peak memory consumption was 167.9 MB. Max. memory is 7.1 GB. [2020-09-24 19:34:54,231 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 148.9 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:34:54,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.44 ms. Allocated memory was 148.9 MB in the beginning and 205.0 MB in the end (delta: 56.1 MB). Free memory was 103.6 MB in the beginning and 183.4 MB in the end (delta: -79.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-24 19:34:54,238 INFO L168 Benchmark]: Boogie Preprocessor took 42.64 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 181.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:34:54,238 INFO L168 Benchmark]: RCFGBuilder took 524.72 ms. Allocated memory is still 205.0 MB. Free memory was 181.2 MB in the beginning and 156.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-09-24 19:34:54,240 INFO L168 Benchmark]: TraceAbstraction took 34942.67 ms. Allocated memory was 205.0 MB in the beginning and 317.7 MB in the end (delta: 112.7 MB). Free memory was 156.6 MB in the beginning and 105.1 MB in the end (delta: 51.5 MB). Peak memory consumption was 164.2 MB. Max. memory is 7.1 GB. [2020-09-24 19:34:54,251 INFO L336 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 148.9 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 454.44 ms. Allocated memory was 148.9 MB in the beginning and 205.0 MB in the end (delta: 56.1 MB). Free memory was 103.6 MB in the beginning and 183.4 MB in the end (delta: -79.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.64 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 181.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 524.72 ms. Allocated memory is still 205.0 MB. Free memory was 181.2 MB in the beginning and 156.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34942.67 ms. Allocated memory was 205.0 MB in the beginning and 317.7 MB in the end (delta: 112.7 MB). Free memory was 156.6 MB in the beginning and 105.1 MB in the end (delta: 51.5 MB). Peak memory consumption was 164.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 24]: Loop Invariant [2020-09-24 19:34:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (main__loop_entered <= 4294967296 * (main__loop_entered / 4294967296) && 0 <= main__loop_entered) || (((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] * -1) / 4294967296) && main__index1 + 4294967296 * ((main__index1 * -1 + (main__index2 + 1) / 4294967296 * 4294967296 + 4294967296) / 4294967296) <= main__index2 + 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99998) && main__index2 + 4294967296 * (main__index1 / 4294967296) <= main__index1 + 4294967296 * (main__index2 / 4294967296)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant [2020-09-24 19:34:54,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:34:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] * -1) / 4294967296) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647) || (((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] * -1 + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184]) / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] * -1 + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184]) / 4294967296) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647)) && 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1)) && main__index1 + 4294967296 * ((main__index1 * -1 + (main__index2 + 1) / 4294967296 * 4294967296 + 4294967296) / 4294967296) <= main__index2 + 1) && main__index2 + 4294967296 * (main__index1 / 4294967296) <= main__index1 + 4294967296 * (main__index2 / 4294967296)) || (!(__VERIFIER_assert__cond == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((main__index1 + 4294967296 * ((main__index1 * -1 + (main__index2 + 1) / 4294967296 * 4294967296 + 4294967296) / 4294967296) <= main__index2 + 1 && 1 <= main____CPAchecker_TMP_0) && 1 <= __tmp_1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99998) && 1 <= __VERIFIER_assert__cond) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && 1 <= main____CPAchecker_TMP_0) && main__loop_entered <= 4294967296 * (main__loop_entered / 4294967296)) && 0 <= main__loop_entered) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.0s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 696 SDtfs, 727 SDslu, 1258 SDs, 0 SdLazy, 1333 SolverSat, 31 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 234 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 586 HoareAnnotationTreeSize, 12 FomulaSimplifications, 525 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 506 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 415059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 9/10 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...