/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_valuebound10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:43:43,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:43:43,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:43:43,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:43:43,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:43:43,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:43:43,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:43:43,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:43:43,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:43:43,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:43:43,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:43:43,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:43:43,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:43:43,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:43:43,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:43:43,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:43:43,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:43:43,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:43:43,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:43:43,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:43:43,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:43:43,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:43:43,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:43:43,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:43:43,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:43:43,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 07:43:43,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 07:43:43,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 07:43:43,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 07:43:43,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 07:43:43,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 07:43:43,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 07:43:43,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 07:43:43,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:43:43,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:43:43,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:43:43,887 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 07:43:43,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:43:43,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:43:43,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:43:43,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:43:43,914 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:43:43,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:43:43,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:43:43,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:43:43,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:43:43,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:43:43,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:43:43,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:43:43,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:43:43,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:43:43,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:43:43,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:43:43,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:43:43,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:43:43,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:43:43,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:43:43,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:43:43,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:43:43,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:43:43,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:43:43,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:43:43,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:43:44,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:43:44,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:43:44,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:43:44,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:43:44,326 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:43:44,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2020-12-23 07:43:44,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3ebfd53d4/82aac8d34d2a4dc3a9b33ff21b3178f3/FLAGc13496808 [2020-12-23 07:43:44,925 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:43:44,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2020-12-23 07:43:44,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3ebfd53d4/82aac8d34d2a4dc3a9b33ff21b3178f3/FLAGc13496808 [2020-12-23 07:43:45,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3ebfd53d4/82aac8d34d2a4dc3a9b33ff21b3178f3 [2020-12-23 07:43:45,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:43:45,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:43:45,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:43:45,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:43:45,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:43:45,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696c2ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45, skipping insertion in model container [2020-12-23 07:43:45,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:43:45,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:43:45,485 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_valuebound10.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 07:43:45,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:43:45,519 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 07:43:45,533 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_valuebound10.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 07:43:45,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:43:45,561 INFO L208 MainTranslator]: Completed translation [2020-12-23 07:43:45,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45 WrapperNode [2020-12-23 07:43:45,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 07:43:45,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 07:43:45,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 07:43:45,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 07:43:45,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 07:43:45,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 07:43:45,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 07:43:45,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 07:43:45,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (1/1) ... [2020-12-23 07:43:45,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 07:43:45,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 07:43:45,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 07:43:45,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 07:43:45,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (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 07:43:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 07:43:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 07:43:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 07:43:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 07:43:46,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 07:43:46,118 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2020-12-23 07:43:46,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:43:46 BoogieIcfgContainer [2020-12-23 07:43:46,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 07:43:46,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 07:43:46,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 07:43:46,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 07:43:46,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:43:45" (1/3) ... [2020-12-23 07:43:46,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ddf567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:43:46, skipping insertion in model container [2020-12-23 07:43:46,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:43:45" (2/3) ... [2020-12-23 07:43:46,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ddf567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:43:46, skipping insertion in model container [2020-12-23 07:43:46,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:43:46" (3/3) ... [2020-12-23 07:43:46,130 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound10.c [2020-12-23 07:43:46,139 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 07:43:46,145 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-23 07:43:46,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-23 07:43:46,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 07:43:46,245 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 07:43:46,245 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 07:43:46,245 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 07:43:46,245 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 07:43:46,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 07:43:46,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 07:43:46,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 07:43:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-23 07:43:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:43:46,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:43:46,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:43:46,284 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:43:46,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:43:46,291 INFO L82 PathProgramCache]: Analyzing trace with hash -144177098, now seen corresponding path program 1 times [2020-12-23 07:43:46,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:43:46,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003877062] [2020-12-23 07:43:46,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:43:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:43:46,531 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 07:43:46,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003877062] [2020-12-23 07:43:46,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:43:46,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 07:43:46,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762346408] [2020-12-23 07:43:46,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 07:43:46,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:43:46,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 07:43:46,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 07:43:46,564 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-23 07:43:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:43:46,594 INFO L93 Difference]: Finished difference Result 63 states and 94 transitions. [2020-12-23 07:43:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 07:43:46,595 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-23 07:43:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:43:46,620 INFO L225 Difference]: With dead ends: 63 [2020-12-23 07:43:46,620 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 07:43:46,624 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 07:43:46,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 07:43:46,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-23 07:43:46,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 07:43:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-12-23 07:43:46,662 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2020-12-23 07:43:46,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:43:46,663 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-12-23 07:43:46,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 07:43:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-23 07:43:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:43:46,664 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:43:46,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:43:46,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 07:43:46,665 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:43:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:43:46,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1281167042, now seen corresponding path program 1 times [2020-12-23 07:43:46,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:43:46,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511715706] [2020-12-23 07:43:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:43:46,684 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:43:46,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832352159] [2020-12-23 07:43:46,685 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 07:43:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:43:46,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-23 07:43:46,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:43:47,025 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 07:43:47,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511715706] [2020-12-23 07:43:47,026 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:43:47,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832352159] [2020-12-23 07:43:47,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:43:47,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 07:43:47,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149794710] [2020-12-23 07:43:47,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 07:43:47,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:43:47,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 07:43:47,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 07:43:47,031 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 6 states. [2020-12-23 07:43:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:43:49,185 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-12-23 07:43:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 07:43:49,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-23 07:43:49,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:43:49,188 INFO L225 Difference]: With dead ends: 39 [2020-12-23 07:43:49,189 INFO L226 Difference]: Without dead ends: 37 [2020-12-23 07:43:49,190 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 07:43:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-23 07:43:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2020-12-23 07:43:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-23 07:43:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-12-23 07:43:49,207 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 13 [2020-12-23 07:43:49,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:43:49,207 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-12-23 07:43:49,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 07:43:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-23 07:43:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 07:43:49,209 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:43:49,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:43:49,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 07:43:49,426 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:43:49,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:43:49,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2131977584, now seen corresponding path program 1 times [2020-12-23 07:43:49,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:43:49,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611681272] [2020-12-23 07:43:49,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:43:49,450 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:43:49,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688704687] [2020-12-23 07:43:49,451 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 07:43:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:43:49,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 07:43:49,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:43:49,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611681272] [2020-12-23 07:43:49,628 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:43:49,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688704687] [2020-12-23 07:43:49,629 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-12-23 07:43:49,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:43:49,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-23 07:43:49,629 ERROR L205 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2020-12-23 07:43:49,630 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 07:43:49,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:43:49,866 WARN L227 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-23 07:43:49,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:43:49 BoogieIcfgContainer [2020-12-23 07:43:49,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 07:43:49,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 07:43:49,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 07:43:49,868 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 07:43:49,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:43:46" (3/4) ... [2020-12-23 07:43:49,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 07:43:49,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 07:43:49,876 INFO L168 Benchmark]: Toolchain (without parser) took 4596.08 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 106.8 MB in the beginning and 124.4 MB in the end (delta: -17.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:49,877 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:43:49,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.91 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 124.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:49,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.78 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 132.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:49,880 INFO L168 Benchmark]: Boogie Preprocessor took 26.58 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 131.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:49,881 INFO L168 Benchmark]: RCFGBuilder took 428.43 ms. Allocated memory is still 151.0 MB. Free memory was 131.2 MB in the beginning and 115.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:49,882 INFO L168 Benchmark]: TraceAbstraction took 3744.83 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 114.8 MB in the beginning and 125.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 8.0 GB. [2020-12-23 07:43:49,882 INFO L168 Benchmark]: Witness Printer took 6.21 ms. Allocated memory is still 195.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:43:49,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 281.91 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 124.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.78 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 132.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.58 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 131.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 428.43 ms. Allocated memory is still 151.0 MB. Free memory was 131.2 MB in the beginning and 115.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3744.83 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 114.8 MB in the beginning and 125.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 8.0 GB. * Witness Printer took 6.21 ms. Allocated memory is still 195.0 MB. Free memory is still 124.4 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: 3.6s, 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, 0.3s 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...