/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:43:44,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:43:44,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:43:44,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:43:44,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:43:44,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:43:44,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:43:44,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:43:44,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:43:44,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:43:44,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:43:44,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:43:44,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:43:44,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:43:44,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:43:44,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:43:44,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:43:44,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:43:44,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:43:44,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:43:44,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:43:44,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:43:44,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:43:44,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:43:44,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:43:44,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 07:43:44,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 07:43:44,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 07:43:44,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 07:43:44,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 07:43:44,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 07:43:44,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 07:43:44,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 07:43:44,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:43:44,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:43:44,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:43:44,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 07:43:44,979 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:43:44,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:43:44,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:43:44,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:43:44,982 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:43:44,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:43:44,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:43:44,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:43:44,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:43:44,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:43:44,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:43:44,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:43:44,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:43:44,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:43:44,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:43:44,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:43:44,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:43:44,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:43:44,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:43:44,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:43:44,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:43:44,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:43:44,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:43:44,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:43:44,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:43:44,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:43:45,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:43:45,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:43:45,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:43:45,403 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:43:45,403 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:43:45,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound100.c [2020-12-23 07:43:45,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/794cf12fb/214e3f6e479d4a52bf9553ee241d60b6/FLAG372f705bc [2020-12-23 07:43:46,052 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:43:46,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound100.c [2020-12-23 07:43:46,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/794cf12fb/214e3f6e479d4a52bf9553ee241d60b6/FLAG372f705bc [2020-12-23 07:43:46,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/794cf12fb/214e3f6e479d4a52bf9553ee241d60b6 [2020-12-23 07:43:46,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:43:46,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:43:46,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:43:46,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:43:46,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:43:46,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43215770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46, skipping insertion in model container [2020-12-23 07:43:46,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:43:46,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:43:46,629 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound100.c[535,548] left hand side expression in assignment: lhs: VariableLHS[~A~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~u~0,] left hand side expression in assignment: lhs: VariableLHS[~v~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~v~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~u~0,] [2020-12-23 07:43:46,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:43:46,668 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 07:43:46,683 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound100.c[535,548] left hand side expression in assignment: lhs: VariableLHS[~A~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~u~0,] left hand side expression in assignment: lhs: VariableLHS[~v~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~v~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~u~0,] [2020-12-23 07:43:46,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:43:46,714 INFO L208 MainTranslator]: Completed translation [2020-12-23 07:43:46,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46 WrapperNode [2020-12-23 07:43:46,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 07:43:46,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 07:43:46,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 07:43:46,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 07:43:46,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 07:43:46,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 07:43:46,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 07:43:46,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 07:43:46,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... [2020-12-23 07:43:46,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 07:43:46,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 07:43:46,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 07:43:46,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 07:43:46,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 07:43:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 07:43:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 07:43:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 07:43:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 07:43:47,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 07:43:47,426 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2020-12-23 07:43:47,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:43:47 BoogieIcfgContainer [2020-12-23 07:43:47,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 07:43:47,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 07:43:47,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 07:43:47,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 07:43:47,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:43:46" (1/3) ... [2020-12-23 07:43:47,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4436a63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:43:47, skipping insertion in model container [2020-12-23 07:43:47,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:46" (2/3) ... [2020-12-23 07:43:47,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4436a63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:43:47, skipping insertion in model container [2020-12-23 07:43:47,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:43:47" (3/3) ... [2020-12-23 07:43:47,439 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound100.c [2020-12-23 07:43:47,447 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 07:43:47,454 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-23 07:43:47,476 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-23 07:43:47,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 07:43:47,525 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 07:43:47,525 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 07:43:47,526 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 07:43:47,526 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 07:43:47,526 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 07:43:47,526 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 07:43:47,527 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 07:43:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-23 07:43:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:43:47,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:43:47,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:43:47,551 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:43:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:43:47,559 INFO L82 PathProgramCache]: Analyzing trace with hash -144177098, now seen corresponding path program 1 times [2020-12-23 07:43:47,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:43:47,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313710165] [2020-12-23 07:43:47,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:43:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:43:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:43:47,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313710165] [2020-12-23 07:43:47,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:43:47,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 07:43:47,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874663838] [2020-12-23 07:43:47,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 07:43:47,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:43:47,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 07:43:47,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 07:43:47,803 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-23 07:43:47,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:43:47,838 INFO L93 Difference]: Finished difference Result 63 states and 94 transitions. [2020-12-23 07:43:47,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 07:43:47,840 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-23 07:43:47,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:43:47,854 INFO L225 Difference]: With dead ends: 63 [2020-12-23 07:43:47,854 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 07:43:47,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 07:43:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 07:43:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-23 07:43:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 07:43:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-12-23 07:43:47,894 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2020-12-23 07:43:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:43:47,895 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-12-23 07:43:47,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 07:43:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-23 07:43:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:43:47,896 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:43:47,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:43:47,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 07:43:47,897 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:43:47,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:43:47,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1281167042, now seen corresponding path program 1 times [2020-12-23 07:43:47,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:43:47,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464254187] [2020-12-23 07:43:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:43:47,920 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:43:47,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508401996] [2020-12-23 07:43:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:43:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:43:47,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-23 07:43:48,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:43:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:43:48,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464254187] [2020-12-23 07:43:48,215 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:43:48,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508401996] [2020-12-23 07:43:48,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:43:48,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 07:43:48,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422251336] [2020-12-23 07:43:48,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 07:43:48,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:43:48,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 07:43:48,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 07:43:48,220 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 6 states. [2020-12-23 07:43:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:43:50,390 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-12-23 07:43:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 07:43:50,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-23 07:43:50,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:43:50,394 INFO L225 Difference]: With dead ends: 39 [2020-12-23 07:43:50,395 INFO L226 Difference]: Without dead ends: 37 [2020-12-23 07:43:50,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:43:50,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-23 07:43:50,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2020-12-23 07:43:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-23 07:43:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-12-23 07:43:50,419 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 13 [2020-12-23 07:43:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:43:50,419 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-12-23 07:43:50,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 07:43:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-23 07:43:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 07:43:50,422 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:43:50,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:43:50,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 07:43:50,639 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:43:50,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:43:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2131977584, now seen corresponding path program 1 times [2020-12-23 07:43:50,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:43:50,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978796243] [2020-12-23 07:43:50,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:43:50,659 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:43:50,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809972043] [2020-12-23 07:43:50,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:43:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:43:50,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 07:43:50,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:43:53,053 WARN L197 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 18 [2020-12-23 07:43:53,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978796243] [2020-12-23 07:43:53,068 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:43:53,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809972043] [2020-12-23 07:43:53,069 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-12-23 07:43:53,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:43:53,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-23 07:43:53,071 ERROR L205 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2020-12-23 07:43:53,072 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 07:43:53,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:43:53,298 WARN L227 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-23 07:43:53,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:43:53 BoogieIcfgContainer [2020-12-23 07:43:53,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 07:43:53,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 07:43:53,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 07:43:53,300 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 07:43:53,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:43:47" (3/4) ... [2020-12-23 07:43:53,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 07:43:53,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 07:43:53,306 INFO L168 Benchmark]: Toolchain (without parser) took 6872.67 ms. Allocated memory is still 155.2 MB. Free memory was 131.6 MB in the beginning and 54.3 MB in the end (delta: 77.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:53,307 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 128.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:43:53,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.60 ms. Allocated memory is still 155.2 MB. Free memory was 131.4 MB in the beginning and 121.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:53,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.16 ms. Allocated memory is still 155.2 MB. Free memory was 121.2 MB in the beginning and 119.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:53,309 INFO L168 Benchmark]: Boogie Preprocessor took 29.75 ms. Allocated memory is still 155.2 MB. Free memory was 119.5 MB in the beginning and 118.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:53,310 INFO L168 Benchmark]: RCFGBuilder took 636.04 ms. Allocated memory is still 155.2 MB. Free memory was 118.3 MB in the beginning and 134.0 MB in the end (delta: -15.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:53,311 INFO L168 Benchmark]: TraceAbstraction took 5867.75 ms. Allocated memory is still 155.2 MB. Free memory was 133.4 MB in the beginning and 54.3 MB in the end (delta: 79.2 MB). Peak memory consumption was 78.6 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:53,312 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 155.2 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:43:53,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 128.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 279.60 ms. Allocated memory is still 155.2 MB. Free memory was 131.4 MB in the beginning and 121.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.16 ms. Allocated memory is still 155.2 MB. Free memory was 121.2 MB in the beginning and 119.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.75 ms. Allocated memory is still 155.2 MB. Free memory was 119.5 MB in the beginning and 118.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 636.04 ms. Allocated memory is still 155.2 MB. Free memory was 118.3 MB in the beginning and 134.0 MB in the end (delta: -15.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5867.75 ms. Allocated memory is still 155.2 MB. Free memory was 133.4 MB in the beginning and 54.3 MB in the end (delta: 79.2 MB). Peak memory consumption was 78.6 MB. Max. memory is 8.0 GB. * Witness Printer took 5.13 ms. Allocated memory is still 155.2 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L20] int A, R; [L21] long long u, v, r; [L22] A = __VERIFIER_nondet_int() [L9] COND FALSE !(!cond) [L24] R = __VERIFIER_nondet_int() [L9] COND FALSE !(!cond) [L9] COND FALSE !(!cond) [L9] COND FALSE !(!cond) [L30] u = ((long long) 2 * R) + 1 [L31] v = 1 [L32] r = ((long long) R * R) - A [L35] COND TRUE 1 [L12] COND FALSE !(!(cond)) [L37] COND TRUE !(r != 0) [L12] COND TRUE !(cond) [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 5.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 17 SDslu, 53 SDs, 0 SdLazy, 43 SolverSat, 2 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1488 SizeOfPredicates, 8 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...